diff --git a/messages.pot b/messages.pot
index 207b6c8..8b59471 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-06-09 13:32+0200\n"
+"POT-Creation-Date: 2023-06-12 14:29+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -257,7 +257,7 @@ msgstr ""
 
 #: project/forms/admin.py:34 project/forms/admin_unit.py:60
 #: project/forms/admin_unit_member.py:12 project/forms/admin_unit_member.py:25
-#: project/forms/admin_unit_member.py:30 project/forms/event.py:107
+#: project/forms/admin_unit_member.py:30 project/forms/event.py:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
 #: project/forms/user.py:18 project/forms/user.py:23
 #: project/templates/_macros.html:246 project/templates/_macros.html:1561
@@ -322,7 +322,7 @@ msgstr ""
 
 #: project/forms/admin.py:76 project/forms/admin_unit.py:149
 #: project/forms/admin_unit.py:154 project/forms/admin_unit.py:159
-#: project/forms/event.py:85 project/forms/event.py:114
+#: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:30 project/forms/organizer.py:58
@@ -365,7 +365,7 @@ msgstr ""
 msgid "Street"
 msgstr ""
 
-#: project/forms/admin_unit.py:18 project/forms/event.py:461
+#: project/forms/admin_unit.py:18 project/forms/event.py:470
 #: project/forms/event_date.py:52 project/forms/event_place.py:16
 #: project/forms/organizer.py:16 project/forms/planning.py:44
 msgid "Postal code"
@@ -411,7 +411,7 @@ msgstr ""
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
-#: project/forms/admin_unit.py:55 project/forms/event.py:119
+#: project/forms/admin_unit.py:55 project/forms/event.py:124
 #: project/forms/event_place.py:34
 msgid "Description"
 msgstr ""
@@ -420,20 +420,20 @@ msgstr ""
 msgid "Describe the organization in a few words"
 msgstr ""
 
-#: project/forms/admin_unit.py:59 project/forms/event.py:106
-#: project/forms/event.py:124 project/forms/event_place.py:32
+#: project/forms/admin_unit.py:59 project/forms/event.py:111
+#: project/forms/event.py:129 project/forms/event_place.py:32
 #: project/forms/organizer.py:32 project/templates/manage/organizers.html:21
 msgid "Link URL"
 msgstr ""
 
-#: project/forms/admin_unit.py:61 project/forms/event.py:108
+#: project/forms/admin_unit.py:61 project/forms/event.py:113
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:34
 #: project/templates/_macros.html:309
 #: project/templates/manage/organizers.html:20
 msgid "Phone"
 msgstr ""
 
-#: project/forms/admin_unit.py:62 project/forms/event.py:109
+#: project/forms/admin_unit.py:62 project/forms/event.py:114
 #: project/forms/organizer.py:35 project/templates/_macros.html:317
 msgid "Fax"
 msgstr ""
@@ -635,187 +635,187 @@ msgstr ""
 msgid "100 km"
 msgstr ""
 
-#: project/forms/event.py:38 project/templates/manage/events.html:102
+#: project/forms/event.py:43 project/templates/manage/events.html:102
 msgid "Start"
 msgstr ""
 
-#: project/forms/event.py:40
+#: project/forms/event.py:45
 msgid "Indicate when the event date will start."
 msgstr ""
 
-#: project/forms/event.py:43
+#: project/forms/event.py:48
 msgid "End"
 msgstr ""
 
-#: project/forms/event.py:45
+#: project/forms/event.py:50
 msgid ""
 "Indicate when the event date will end. An event can last a maximum of 14 "
 "days."
 msgstr ""
 
-#: project/forms/event.py:50
+#: project/forms/event.py:55
 msgid "All-day"
 msgstr ""
 
-#: project/forms/event.py:54 project/templates/_macros.html:1773
+#: project/forms/event.py:59 project/templates/_macros.html:1773
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr ""
 
-#: project/forms/event.py:61 project/templates/_macros.html:1322
+#: project/forms/event.py:66 project/templates/_macros.html:1322
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:67 project/templates/_macros.html:1339
+#: project/forms/event.py:72 project/templates/_macros.html:1339
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
-#: project/forms/event.py:103
+#: project/forms/event.py:108
 msgid "Organizator"
 msgstr ""
 
-#: project/forms/event.py:116
+#: project/forms/event.py:121
 msgid "Enter a short, meaningful name for the event."
 msgstr ""
 
-#: project/forms/event.py:121
+#: project/forms/event.py:126
 msgid "Add an description of the event."
 msgstr ""
 
-#: project/forms/event.py:126
+#: project/forms/event.py:131
 msgid ""
 "Enter a link to an external website containing more information about the"
 " event."
 msgstr ""
 
-#: project/forms/event.py:131
+#: project/forms/event.py:136
 msgid "Ticket Link URL"
 msgstr ""
 
-#: project/forms/event.py:133
+#: project/forms/event.py:138
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:136 project/templates/_macros.html:228
+#: project/forms/event.py:141 project/templates/_macros.html:228
 msgid "Tags"
 msgstr ""
 
-#: project/forms/event.py:138
+#: project/forms/event.py:143
 msgid ""
 "Enter keywords with which the event should be found. Words do not need to"
 " be entered if they are already in the name or description."
 msgstr ""
 
-#: project/forms/event.py:143
+#: project/forms/event.py:148
 msgid "Kid friendly"
 msgstr ""
 
-#: project/forms/event.py:145
+#: project/forms/event.py:150
 msgid "If the event is particularly suitable for children."
 msgstr ""
 
-#: project/forms/event.py:148
+#: project/forms/event.py:153
 msgid "Accessible for free"
 msgstr ""
 
-#: project/forms/event.py:150
+#: project/forms/event.py:155
 msgid "If the event is accessible for free."
 msgstr ""
 
-#: project/forms/event.py:153
+#: project/forms/event.py:158
 msgid "Typical Age from"
 msgstr ""
 
-#: project/forms/event.py:155
+#: project/forms/event.py:160
 msgid "The minimum age that participants should be."
 msgstr ""
 
-#: project/forms/event.py:158
+#: project/forms/event.py:163
 msgid "Typical Age to"
 msgstr ""
 
-#: project/forms/event.py:160
+#: project/forms/event.py:165
 msgid "The maximum age that participants should be."
 msgstr ""
 
-#: project/forms/event.py:163
+#: project/forms/event.py:168
 msgid "Registration required"
 msgstr ""
 
-#: project/forms/event.py:165
+#: project/forms/event.py:170
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:170 project/templates/_macros.html:260
+#: project/forms/event.py:175 project/templates/_macros.html:260
 #: project/templates/layout.html:118
 msgid "Booked up"
 msgstr ""
 
-#: project/forms/event.py:172
+#: project/forms/event.py:177
 msgid "If the event is booked up or sold out."
 msgstr ""
 
-#: project/forms/event.py:175
+#: project/forms/event.py:180
 msgid "Expected number of participants"
 msgstr ""
 
-#: project/forms/event.py:177
+#: project/forms/event.py:182
 msgid "The estimated expected attendance."
 msgstr ""
 
-#: project/forms/event.py:180
+#: project/forms/event.py:185
 msgid "Price info"
 msgstr ""
 
-#: project/forms/event.py:182
+#: project/forms/event.py:187
 msgid ""
 "Enter price information in textual form. E.g., different prices for "
 "adults and children."
 msgstr ""
 
-#: project/forms/event.py:187
+#: project/forms/event.py:192
 msgid "Target group origin"
 msgstr ""
 
-#: project/forms/event.py:192
+#: project/forms/event.py:197
 msgid "EventTargetGroupOrigin.both"
 msgstr ""
 
-#: project/forms/event.py:196
+#: project/forms/event.py:201
 msgid "EventTargetGroupOrigin.tourist"
 msgstr ""
 
-#: project/forms/event.py:200
+#: project/forms/event.py:205
 msgid "EventTargetGroupOrigin.resident"
 msgstr ""
 
-#: project/forms/event.py:203
+#: project/forms/event.py:208
 msgid ""
 "Choose whether the event is particularly suitable for tourists or "
 "residents."
 msgstr ""
 
-#: project/forms/event.py:208
+#: project/forms/event.py:213
 msgid "Attendance mode"
 msgstr ""
 
-#: project/forms/event.py:213
+#: project/forms/event.py:218
 msgid "EventAttendanceMode.offline"
 msgstr ""
 
-#: project/forms/event.py:217 project/templates/layout.html:106
+#: project/forms/event.py:222 project/templates/layout.html:106
 msgid "EventAttendanceMode.online"
 msgstr ""
 
-#: project/forms/event.py:219 project/templates/layout.html:109
+#: project/forms/event.py:224 project/templates/layout.html:109
 msgid "EventAttendanceMode.mixed"
 msgstr ""
 
-#: project/forms/event.py:221
+#: project/forms/event.py:226
 msgid "Choose how people can attend the event."
 msgstr ""
 
-#: project/forms/event.py:225 project/forms/event_place.py:33
+#: project/forms/event.py:230 project/forms/event_place.py:33
 #: project/templates/manage/events.html:106
 #: project/templates/manage/events.html:141
 #: project/templates/manage/places.html:21
@@ -824,59 +824,59 @@ msgstr ""
 msgid "Photo"
 msgstr ""
 
-#: project/forms/event.py:227
+#: project/forms/event.py:232
 msgid ""
 "We recommend uploading a photo for the event. It looks a lot more, but of"
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:242 project/templates/_macros.html:422
+#: project/forms/event.py:247 project/templates/_macros.html:422
 #: project/templates/_macros.html:585
 msgid "Previous start date"
 msgstr ""
 
-#: project/forms/event.py:244
+#: project/forms/event.py:249
 msgid "Enter when the event should have taken place before it was postponed."
 msgstr ""
 
-#: project/forms/event.py:249 project/forms/event_suggestion.py:71
+#: project/forms/event.py:254 project/forms/event_suggestion.py:71
 msgid "Categories"
 msgstr ""
 
-#: project/forms/event.py:252 project/forms/event_suggestion.py:74
+#: project/forms/event.py:257 project/forms/event_suggestion.py:74
 msgid "Choose categories that fit the event."
 msgstr ""
 
-#: project/forms/event.py:255 project/forms/reference.py:14
+#: project/forms/event.py:260 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:76
 #: project/templates/event/create.html:363
 #: project/templates/event/update.html:220
 msgid "Rating"
 msgstr ""
 
-#: project/forms/event.py:259 project/forms/reference.py:18
+#: project/forms/event.py:264 project/forms/reference.py:18
 #: project/forms/reference.py:31 project/forms/reference_request.py:80
 msgid ""
 "Choose how relevant the event is to your organization. The value is not "
 "visible and is used for sorting."
 msgstr ""
 
-#: project/forms/event.py:264
+#: project/forms/event.py:269
 msgid "Co-organizers"
 msgstr ""
 
-#: project/forms/event.py:267
+#: project/forms/event.py:272
 msgid ""
 "Select optional co-organizers. You can add and modify organizers at "
 "Organization > Organizers."
 msgstr ""
 
-#: project/forms/event.py:277
+#: project/forms/event.py:282
 msgid "Invalid co-organizer."
 msgstr ""
 
-#: project/forms/event.py:286 project/forms/event.py:295
-#: project/forms/event.py:373 project/forms/event.py:450
+#: project/forms/event.py:291 project/forms/event.py:300
+#: project/forms/event.py:382 project/forms/event.py:459
 #: project/forms/event_suggestion.py:50 project/templates/_macros.html:462
 #: project/templates/_macros.html:628 project/templates/event/create.html:288
 #: project/templates/event/update.html:170
@@ -887,16 +887,16 @@ msgstr ""
 msgid "Place"
 msgstr ""
 
-#: project/forms/event.py:288
+#: project/forms/event.py:293
 msgid "Select existing place"
 msgstr ""
 
-#: project/forms/event.py:289
+#: project/forms/event.py:294
 msgid "Enter new place"
 msgstr ""
 
-#: project/forms/event.py:302 project/forms/event.py:311
-#: project/forms/event.py:381 project/forms/event.py:447
+#: project/forms/event.py:307 project/forms/event.py:316
+#: project/forms/event.py:390 project/forms/event.py:456
 #: project/forms/event_date.py:40 project/forms/event_suggestion.py:60
 #: project/templates/_macros.html:499 project/templates/_macros.html:671
 #: project/templates/event/create.html:257
@@ -908,130 +908,137 @@ msgstr ""
 msgid "Organizer"
 msgstr ""
 
-#: project/forms/event.py:304
+#: project/forms/event.py:309
 msgid "Select existing organizer"
 msgstr ""
 
-#: project/forms/event.py:305
+#: project/forms/event.py:310
 msgid "Enter new organizer"
 msgstr ""
 
-#: project/forms/event.py:317
+#: project/forms/event.py:323 project/templates/_macros.html:736
+#: project/templates/event/create.html:374
+#: project/templates/manage/reference_requests_incoming.html:5
+#: project/templates/manage/reference_requests_outgoing.html:5
+msgid "Reference requests"
+msgstr ""
+
+#: project/forms/event.py:326
 msgid "Save as draft"
 msgstr ""
 
-#: project/forms/event.py:318
+#: project/forms/event.py:327
 msgid "Save as planned"
 msgstr ""
 
-#: project/forms/event.py:319
+#: project/forms/event.py:328
 msgid "Publish event"
 msgstr ""
 
-#: project/forms/event.py:355
+#: project/forms/event.py:364
 msgid "Select existing place or enter new place"
 msgstr ""
 
-#: project/forms/event.py:363
+#: project/forms/event.py:372
 msgid "Select existing organizer or enter new organizer"
 msgstr ""
 
-#: project/forms/event.py:376
+#: project/forms/event.py:385
 msgid ""
 "Choose where the event takes place. You can add and modify places at "
 "Organization > Places."
 msgstr ""
 
-#: project/forms/event.py:384
+#: project/forms/event.py:393
 msgid ""
 "Select the organizer. You can add and modify organizers at Organization >"
 " Organizers."
 msgstr ""
 
-#: project/forms/event.py:390 project/templates/event/update.html:149
+#: project/forms/event.py:399 project/templates/event/update.html:149
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr ""
 
-#: project/forms/event.py:393
+#: project/forms/event.py:402
 msgid "EventStatus.scheduled"
 msgstr ""
 
-#: project/forms/event.py:394 project/templates/layout.html:72
+#: project/forms/event.py:403 project/templates/layout.html:72
 #: project/templates/layout.html:87
 msgid "EventStatus.cancelled"
 msgstr ""
 
-#: project/forms/event.py:395 project/templates/layout.html:75
+#: project/forms/event.py:404 project/templates/layout.html:75
 #: project/templates/layout.html:90
 msgid "EventStatus.movedOnline"
 msgstr ""
 
-#: project/forms/event.py:396 project/templates/layout.html:78
+#: project/forms/event.py:405 project/templates/layout.html:78
 #: project/templates/layout.html:93
 msgid "EventStatus.postponed"
 msgstr ""
 
-#: project/forms/event.py:397 project/templates/layout.html:81
+#: project/forms/event.py:406 project/templates/layout.html:81
 #: project/templates/layout.html:96
 msgid "EventStatus.rescheduled"
 msgstr ""
 
-#: project/forms/event.py:399
+#: project/forms/event.py:408
 msgid "Select the status of the event."
 msgstr ""
 
-#: project/forms/event.py:403
+#: project/forms/event.py:412
 msgid "Public status"
 msgstr ""
 
-#: project/forms/event.py:406
+#: project/forms/event.py:415
 msgid "PublicStatus.published"
 msgstr ""
 
-#: project/forms/event.py:407 project/templates/_macros.html:269
+#: project/forms/event.py:416 project/templates/_macros.html:269
 msgid "PublicStatus.planned"
 msgstr ""
 
-#: project/forms/event.py:408 project/templates/_macros.html:267
+#: project/forms/event.py:417 project/templates/_macros.html:267
 msgid "PublicStatus.draft"
 msgstr ""
 
-#: project/forms/event.py:410 project/templates/event/create.html:371
+#: project/forms/event.py:419 project/templates/event/create.html:386
 msgid "Planned events appear in the scheduling view, but not on public calendars."
 msgstr ""
 
-#: project/forms/event.py:415 project/templates/event/update.html:5
+#: project/forms/event.py:424 project/templates/event/update.html:5
 #: project/templates/event/update.html:117
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:431 project/templates/_macros.html:1279
+#: project/forms/event.py:440 project/templates/_macros.html:1279
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
 msgstr ""
 
-#: project/forms/event.py:438 project/forms/event_date.py:14
+#: project/forms/event.py:447 project/forms/event_date.py:14
 #: project/forms/planning.py:21
 msgid "From"
 msgstr ""
 
-#: project/forms/event.py:440 project/forms/event_date.py:16
+#: project/forms/event.py:449 project/forms/event_date.py:16
 #: project/forms/planning.py:22
 msgid "to"
 msgstr ""
 
-#: project/forms/event.py:442 project/forms/event_date.py:18
+#: project/forms/event.py:451 project/forms/event_date.py:18
 msgid "Keyword"
 msgstr ""
 
-#: project/forms/event.py:444 project/forms/event_date.py:20
+#: project/forms/event.py:453 project/forms/event_date.py:20
 #: project/forms/planning.py:24 project/templates/_macros.html:395
 msgid "Category"
 msgstr ""
 
-#: project/forms/event.py:454 project/forms/event_date.py:26
+#: project/forms/event.py:463 project/forms/event_date.py:26
 #: project/forms/planning.py:27 project/templates/_macros.html:324
 #: project/templates/admin_unit/create.html:39
 #: project/templates/admin_unit/update.html:47
@@ -1044,17 +1051,17 @@ msgstr ""
 msgid "Location"
 msgstr ""
 
-#: project/forms/event.py:456 project/forms/event_date.py:28
+#: project/forms/event.py:465 project/forms/event_date.py:28
 #: project/forms/planning.py:29
 msgid "Distance"
 msgstr ""
 
-#: project/forms/event.py:463 project/forms/event_date.py:49
+#: project/forms/event.py:472 project/forms/event_date.py:49
 #: project/forms/planning.py:41
 msgid "Exclude recurring events"
 msgstr ""
 
-#: project/forms/event.py:467 project/forms/event_date.py:54
+#: project/forms/event.py:476 project/forms/event_date.py:54
 msgid "Find events"
 msgstr ""
 
@@ -1477,12 +1484,6 @@ msgstr ""
 msgid "Reference event"
 msgstr ""
 
-#: project/templates/_macros.html:736
-#: project/templates/manage/reference_requests_incoming.html:5
-#: project/templates/manage/reference_requests_outgoing.html:5
-msgid "Reference requests"
-msgstr ""
-
 #: project/templates/_macros.html:747 project/templates/_macros.html:1286
 #: project/templates/event/actions.html:32
 #: project/templates/manage/events.html:123
@@ -2201,6 +2202,14 @@ msgstr ""
 msgid "Target group"
 msgstr ""
 
+#: project/templates/event/create.html:378
+msgid "References are important for the visibility of your events."
+msgstr ""
+
+#: project/templates/event/create.html:379
+msgid "Select organizations to display your event on their calendars."
+msgstr ""
+
 #: project/templates/event/delete.html:10
 msgid ""
 "You are about to delete an event with multiple dates. If you want to "
@@ -2630,31 +2639,31 @@ msgstr ""
 msgid "Invitation successfully deleted"
 msgstr ""
 
-#: project/views/event.py:181
+#: project/views/event.py:251
 msgid "Event successfully published"
 msgstr ""
 
-#: project/views/event.py:183
+#: project/views/event.py:253
 msgid "Draft successfully saved"
 msgstr ""
 
-#: project/views/event.py:185
+#: project/views/event.py:255
 msgid "Event successfully planned"
 msgstr ""
 
-#: project/views/event.py:228
+#: project/views/event.py:312
 msgid "Event successfully updated"
 msgstr ""
 
-#: project/views/event.py:254
+#: project/views/event.py:338
 msgid "Event successfully deleted"
 msgstr ""
 
-#: project/views/event.py:419
+#: project/views/event.py:503
 msgid "Referenced event changed"
 msgstr ""
 
-#: project/views/event.py:442
+#: project/views/event.py:526
 msgid "New event report"
 msgstr ""
 
@@ -2763,22 +2772,23 @@ msgstr ""
 msgid "Reference successfully deleted"
 msgstr ""
 
-#: project/views/reference_request.py:104
-#: project/views/reference_request_review.py:57
-msgid "Reference successfully created"
+#: project/views/reference_request.py:124
+#, python-format
+msgid "%(organization)s accepted your reference request"
 msgstr ""
 
-#: project/views/reference_request.py:108
+#: project/views/reference_request.py:131
+#, python-format
 msgid ""
-"Request successfully created. You will be notified after the other "
-"organization reviews the event."
+"Reference request to %(organization)s successfully created. You will be "
+"notified after the other organization reviews the event."
 msgstr ""
 
-#: project/views/reference_request.py:144
+#: project/views/reference_request.py:154
 msgid "New reference request"
 msgstr ""
 
-#: project/views/reference_request.py:153
+#: project/views/reference_request.py:163
 msgid "New reference automatically verified"
 msgstr ""
 
@@ -2787,6 +2797,10 @@ msgstr ""
 msgid "Request already verified"
 msgstr ""
 
+#: project/views/reference_request_review.py:57
+msgid "Reference successfully created"
+msgstr ""
+
 #: project/views/reference_request_review.py:65
 msgid "Request successfully updated"
 msgstr ""
diff --git a/project/access.py b/project/access.py
index 11049f4..6e7fb67 100644
--- a/project/access.py
+++ b/project/access.py
@@ -128,11 +128,21 @@ def get_admin_units_for_event_reference(event):
     return result
 
 
-def can_request_event_reference(event):
-    if not has_access(event.admin_unit, "reference_request:create"):
+def can_request_event_reference_from_admin_unit(admin_unit):
+    if not has_access(admin_unit, "reference_request:create"):
         return False
 
-    if not event.admin_unit.is_verified:
+    if not admin_unit.is_verified:
+        return False
+
+    return True
+
+
+def can_request_event_reference(event):
+    if not can_request_event_reference_from_admin_unit(event.admin_unit):
+        return False
+
+    if event.public_status != PublicStatus.published:
         return False
 
     return len(get_admin_units_for_event_reference_request(event)) > 0
diff --git a/project/forms/event.py b/project/forms/event.py
index becf03f..6f71902 100644
--- a/project/forms/event.py
+++ b/project/forms/event.py
@@ -19,7 +19,12 @@ from wtforms.validators import DataRequired, Length, Optional
 
 from project.forms.common import Base64ImageForm, distance_choices, event_rating_choices
 from project.forms.event_place import EventPlaceLocationForm
-from project.forms.widgets import CustomDateField, CustomDateTimeField, HTML5StringField
+from project.forms.widgets import (
+    CustomDateField,
+    CustomDateTimeField,
+    HTML5StringField,
+    MultiCheckboxField,
+)
 from project.models import (
     EventAttendanceMode,
     EventDateDefinition,
@@ -314,6 +319,10 @@ class CreateEventForm(BaseEventForm):
     )
     new_organizer = FormField(OrganizerForm, default=lambda: EventOrganizer())
 
+    reference_request_admin_unit_id = MultiCheckboxField(
+        lazy_gettext("Reference requests"), validators=[Optional()], coerce=int
+    )
+
     submit_draft = SubmitField(lazy_gettext("Save as draft"))
     submit_planned = SubmitField(lazy_gettext("Save as planned"))
     submit = SubmitField(lazy_gettext("Publish event"))
diff --git a/project/services/admin_unit.py b/project/services/admin_unit.py
index c2ef1c7..a506ea4 100644
--- a/project/services/admin_unit.py
+++ b/project/services/admin_unit.py
@@ -1,6 +1,7 @@
 import datetime
 
 from sqlalchemy import and_, func, or_
+from sqlalchemy.orm import joinedload, load_only
 
 from project import db
 from project.models import (
@@ -296,6 +297,52 @@ def upsert_admin_unit_relation(source_admin_unit_id: int, target_admin_unit_id:
     return result
 
 
+def get_admin_unit_relations_for_reference_requests(
+    target_admin_unit_id: int, limit: int
+):
+    return (
+        AdminUnitRelation.query.join(
+            AdminUnit,
+            AdminUnitRelation.source_admin_unit_id == AdminUnit.id,
+        )
+        .options(
+            joinedload(AdminUnitRelation.source_admin_unit).load_only(
+                AdminUnit.id, AdminUnit.name
+            ),
+        )
+        .filter(
+            and_(
+                AdminUnitRelation.target_admin_unit_id == target_admin_unit_id,
+                AdminUnit.incoming_reference_requests_allowed,
+            )
+        )
+        .order_by(
+            AdminUnitRelation.auto_verify_event_reference_requests.desc(),
+            AdminUnitRelation.verify.desc(),
+            AdminUnitRelation.invited.desc(),
+            AdminUnitRelation.created_at.desc(),
+        )
+        .limit(limit)
+        .all()
+    )
+
+
+def get_admin_units_for_reference_requests(admin_unit_id: int, limit: int):
+    return (
+        AdminUnit.query.options(
+            load_only(AdminUnit.id, AdminUnit.name),
+        )
+        .filter(
+            and_(
+                AdminUnit.id != admin_unit_id,
+                AdminUnit.incoming_reference_requests_allowed,
+            )
+        )
+        .limit(limit)
+        .all()
+    )
+
+
 def get_admin_unit_invitation_query(admin_unit):
     return AdminUnitInvitation.query.filter(
         AdminUnitInvitation.admin_unit_id == admin_unit.id
diff --git a/project/services/reference.py b/project/services/reference.py
index 7c9ed29..1302c64 100644
--- a/project/services/reference.py
+++ b/project/services/reference.py
@@ -1,5 +1,5 @@
 from sqlalchemy import and_
-from sqlalchemy.orm import load_only
+from sqlalchemy.orm import defaultload, joinedload, load_only
 
 from project import db
 from project.models import (
@@ -9,6 +9,7 @@ from project.models import (
     EventReferenceRequest,
     EventReferenceRequestReviewStatus,
 )
+from project.models.admin_unit import AdminUnit
 
 
 def create_event_reference_for_request(request):
@@ -69,3 +70,59 @@ def get_relation_outgoing_query(admin_unit):
     return AdminUnitRelation.query.filter(
         AdminUnitRelation.source_admin_unit_id == admin_unit.id
     )
+
+
+def get_newest_reference_requests(admin_unit_id: int, limit: int):
+    return (
+        EventReferenceRequest.query.join(
+            Event, EventReferenceRequest.event_id == Event.id
+        )
+        .join(
+            AdminUnit,
+            EventReferenceRequest.admin_unit_id == AdminUnit.id,
+        )
+        .options(
+            load_only(EventReferenceRequest.id),
+            defaultload(EventReferenceRequest.event).load_only(Event.id),
+            joinedload(EventReferenceRequest.admin_unit).load_only(
+                AdminUnit.id, AdminUnit.name
+            ),
+        )
+        .filter(
+            and_(
+                Event.admin_unit_id == admin_unit_id,
+                AdminUnit.id != admin_unit_id,
+                AdminUnit.incoming_reference_requests_allowed,
+            )
+        )
+        .order_by(EventReferenceRequest.created_at.desc())
+        .limit(limit)
+        .all()
+    )
+
+
+def get_newest_references(admin_unit_id: int, limit: int):
+    return (
+        EventReference.query.join(Event, EventReference.event_id == Event.id)
+        .join(
+            AdminUnit,
+            EventReference.admin_unit_id == AdminUnit.id,
+        )
+        .options(
+            load_only(EventReference.id),
+            defaultload(EventReference.event).load_only(Event.id),
+            joinedload(EventReference.admin_unit).load_only(
+                AdminUnit.id, AdminUnit.name
+            ),
+        )
+        .filter(
+            and_(
+                Event.admin_unit_id == admin_unit_id,
+                AdminUnit.id != admin_unit_id,
+                AdminUnit.incoming_reference_requests_allowed,
+            )
+        )
+        .order_by(EventReference.created_at.desc())
+        .limit(limit)
+        .all()
+    )
diff --git a/project/templates/event/create.html b/project/templates/event/create.html
index a07a4f5..915daf7 100644
--- a/project/templates/event/create.html
+++ b/project/templates/event/create.html
@@ -368,6 +368,21 @@ $( function() {
   </div>
   {% endif %}
 
+  {% if form.reference_request_admin_unit_id.choices|length > 0 %}
+  <div class="card mb-4 border-info">
+    <div class="card-header border-info text-info">
+      {{ _('Reference requests') }}
+    </div>
+    <div class="card-body pb-0">
+      <p class="text-muted">
+        {{ _('References are important for the visibility of your events.') }}
+        {{ _('Select organizations to display your event on their calendars.') }}
+      </p>
+      {{ render_field_with_errors(form.reference_request_admin_unit_id, ri="multicheckbox", label_hidden=True) }}
+    </div>
+  </div>
+  {% endif %}
+
   <p class="px-2 text-muted">{{ _('Planned events appear in the scheduling view, but not on public calendars.') }}</p>
 
   <div class="d-flex flex-column flex-sm-row">
diff --git a/project/translations/de/LC_MESSAGES/messages.mo b/project/translations/de/LC_MESSAGES/messages.mo
index 98a7269..2469f8a 100644
Binary files a/project/translations/de/LC_MESSAGES/messages.mo and b/project/translations/de/LC_MESSAGES/messages.mo differ
diff --git a/project/translations/de/LC_MESSAGES/messages.po b/project/translations/de/LC_MESSAGES/messages.po
index a7a43a1..67a7f99 100644
--- a/project/translations/de/LC_MESSAGES/messages.po
+++ b/project/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-06-09 13:32+0200\n"
+"POT-Creation-Date: 2023-06-12 14:29+0200\n"
 "PO-Revision-Date: 2020-06-07 18:51+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de\n"
@@ -258,7 +258,7 @@ msgstr "Nutzer löschen"
 
 #: project/forms/admin.py:34 project/forms/admin_unit.py:60
 #: project/forms/admin_unit_member.py:12 project/forms/admin_unit_member.py:25
-#: project/forms/admin_unit_member.py:30 project/forms/event.py:107
+#: project/forms/admin_unit_member.py:30 project/forms/event.py:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
 #: project/forms/user.py:18 project/forms/user.py:23
 #: project/templates/_macros.html:246 project/templates/_macros.html:1561
@@ -331,7 +331,7 @@ msgstr "Organisation löschen"
 
 #: project/forms/admin.py:76 project/forms/admin_unit.py:149
 #: project/forms/admin_unit.py:154 project/forms/admin_unit.py:159
-#: project/forms/event.py:85 project/forms/event.py:114
+#: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:30 project/forms/organizer.py:58
@@ -374,7 +374,7 @@ msgstr "Newsletter senden"
 msgid "Street"
 msgstr "Straße"
 
-#: project/forms/admin_unit.py:18 project/forms/event.py:461
+#: project/forms/admin_unit.py:18 project/forms/event.py:470
 #: project/forms/event_date.py:52 project/forms/event_place.py:16
 #: project/forms/organizer.py:16 project/forms/planning.py:44
 msgid "Postal code"
@@ -423,7 +423,7 @@ msgstr ""
 msgid "Short name must contain only letters numbers or underscore"
 msgstr "Der Kurzname darf nur Buchstaben, Nummern und Unterstriche enthalten"
 
-#: project/forms/admin_unit.py:55 project/forms/event.py:119
+#: project/forms/admin_unit.py:55 project/forms/event.py:124
 #: project/forms/event_place.py:34
 msgid "Description"
 msgstr "Beschreibung"
@@ -432,20 +432,20 @@ msgstr "Beschreibung"
 msgid "Describe the organization in a few words"
 msgstr "Beschreibe die Organisation in wenigen Worten"
 
-#: project/forms/admin_unit.py:59 project/forms/event.py:106
-#: project/forms/event.py:124 project/forms/event_place.py:32
+#: project/forms/admin_unit.py:59 project/forms/event.py:111
+#: project/forms/event.py:129 project/forms/event_place.py:32
 #: project/forms/organizer.py:32 project/templates/manage/organizers.html:21
 msgid "Link URL"
 msgstr "Link URL"
 
-#: project/forms/admin_unit.py:61 project/forms/event.py:108
+#: project/forms/admin_unit.py:61 project/forms/event.py:113
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:34
 #: project/templates/_macros.html:309
 #: project/templates/manage/organizers.html:20
 msgid "Phone"
 msgstr "Telefon"
 
-#: project/forms/admin_unit.py:62 project/forms/event.py:109
+#: project/forms/admin_unit.py:62 project/forms/event.py:114
 #: project/forms/organizer.py:35 project/templates/_macros.html:317
 msgid "Fax"
 msgstr "Fax"
@@ -660,54 +660,54 @@ msgstr "50 km"
 msgid "100 km"
 msgstr "100 km"
 
-#: project/forms/event.py:38 project/templates/manage/events.html:102
+#: project/forms/event.py:43 project/templates/manage/events.html:102
 msgid "Start"
 msgstr "Beginn"
 
-#: project/forms/event.py:40
+#: project/forms/event.py:45
 msgid "Indicate when the event date will start."
 msgstr "Gib an, wann der Termin beginnt."
 
-#: project/forms/event.py:43
+#: project/forms/event.py:48
 msgid "End"
 msgstr "Ende"
 
-#: project/forms/event.py:45
+#: project/forms/event.py:50
 msgid ""
 "Indicate when the event date will end. An event can last a maximum of 14 "
 "days."
 msgstr "Gib an, wann der Termin endet. Ein Termin darf maximal 14 Tage dauern."
 
-#: project/forms/event.py:50
+#: project/forms/event.py:55
 msgid "All-day"
 msgstr "Ganztägig"
 
-#: project/forms/event.py:54 project/templates/_macros.html:1773
+#: project/forms/event.py:59 project/templates/_macros.html:1773
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr "Serientermin"
 
-#: project/forms/event.py:61 project/templates/_macros.html:1322
+#: project/forms/event.py:66 project/templates/_macros.html:1322
 msgid "The start must be before the end."
 msgstr "Der Start muss vor dem Ende sein."
 
-#: project/forms/event.py:67 project/templates/_macros.html:1339
+#: project/forms/event.py:72 project/templates/_macros.html:1339
 msgid "An event can last a maximum of 14 days."
 msgstr "Eine Veranstaltung darf maximal 14 Tage dauern."
 
-#: project/forms/event.py:103
+#: project/forms/event.py:108
 msgid "Organizator"
 msgstr "Veranstalter"
 
-#: project/forms/event.py:116
+#: project/forms/event.py:121
 msgid "Enter a short, meaningful name for the event."
 msgstr "Gib einen kurzen, aussagekräftigen Namen für die Veranstaltung ein."
 
-#: project/forms/event.py:121
+#: project/forms/event.py:126
 msgid "Add an description of the event."
 msgstr "Füge der Veranstaltung eine Beschreibung hinzu."
 
-#: project/forms/event.py:126
+#: project/forms/event.py:131
 msgid ""
 "Enter a link to an external website containing more information about the"
 " event."
@@ -715,19 +715,19 @@ msgstr ""
 "Gib einen Link zu einer externen Website ein, die weitere Informationen "
 "zur Veranstaltung enthält."
 
-#: project/forms/event.py:131
+#: project/forms/event.py:136
 msgid "Ticket Link URL"
 msgstr "Ticket Link"
 
-#: project/forms/event.py:133
+#: project/forms/event.py:138
 msgid "Enter a link where tickets can be purchased."
 msgstr "Gib einen Link ein, über den Tickets gekauft werden können."
 
-#: project/forms/event.py:136 project/templates/_macros.html:228
+#: project/forms/event.py:141 project/templates/_macros.html:228
 msgid "Tags"
 msgstr "Stichworte"
 
-#: project/forms/event.py:138
+#: project/forms/event.py:143
 msgid ""
 "Enter keywords with which the event should be found. Words do not need to"
 " be entered if they are already in the name or description."
@@ -736,68 +736,68 @@ msgstr ""
 "Worte müssen nicht eingegeben werden, wenn sie bereits im Namen oder in "
 "der Beschreibung enthalten sind."
 
-#: project/forms/event.py:143
+#: project/forms/event.py:148
 msgid "Kid friendly"
 msgstr "Für Kinder geeignet"
 
-#: project/forms/event.py:145
+#: project/forms/event.py:150
 msgid "If the event is particularly suitable for children."
 msgstr "Wenn die Veranstaltung besonders für Kinder geeignet ist."
 
-#: project/forms/event.py:148
+#: project/forms/event.py:153
 msgid "Accessible for free"
 msgstr "Kostenlos zugänglich"
 
-#: project/forms/event.py:150
+#: project/forms/event.py:155
 msgid "If the event is accessible for free."
 msgstr "Wenn die Veranstaltung kostenlos zugänglich ist."
 
-#: project/forms/event.py:153
+#: project/forms/event.py:158
 msgid "Typical Age from"
 msgstr "Typisches Alter von"
 
-#: project/forms/event.py:155
+#: project/forms/event.py:160
 msgid "The minimum age that participants should be."
 msgstr "Das Mindestalter, das die Teilnehmer haben sollten."
 
-#: project/forms/event.py:158
+#: project/forms/event.py:163
 msgid "Typical Age to"
 msgstr "Typisches Alter bis"
 
-#: project/forms/event.py:160
+#: project/forms/event.py:165
 msgid "The maximum age that participants should be."
 msgstr "Das maximale Alter, das die Teilnehmer haben sollten."
 
-#: project/forms/event.py:163
+#: project/forms/event.py:168
 msgid "Registration required"
 msgstr "Anmeldung erforderlich"
 
-#: project/forms/event.py:165
+#: project/forms/event.py:170
 msgid "If the participants needs to register for the event."
 msgstr "Wenn sich die Teilnehmer für die Veranstaltung anmelden müssen."
 
-#: project/forms/event.py:170 project/templates/_macros.html:260
+#: project/forms/event.py:175 project/templates/_macros.html:260
 #: project/templates/layout.html:118
 msgid "Booked up"
 msgstr "Ausgebucht"
 
-#: project/forms/event.py:172
+#: project/forms/event.py:177
 msgid "If the event is booked up or sold out."
 msgstr "Wenn die Veranstaltung ausgebucht oder ausverkauft ist."
 
-#: project/forms/event.py:175
+#: project/forms/event.py:180
 msgid "Expected number of participants"
 msgstr "Erwartete Teilnehmerzahl"
 
-#: project/forms/event.py:177
+#: project/forms/event.py:182
 msgid "The estimated expected attendance."
 msgstr "Die geschätzte erwartete Teilnehmerzahl."
 
-#: project/forms/event.py:180
+#: project/forms/event.py:185
 msgid "Price info"
 msgstr "Preisinformation"
 
-#: project/forms/event.py:182
+#: project/forms/event.py:187
 msgid ""
 "Enter price information in textual form. E.g., different prices for "
 "adults and children."
@@ -805,23 +805,23 @@ msgstr ""
 "Gib die Preisinformationen in Textform ein. Z.B. unterschiedliche Preise "
 "für Erwachsene und Kinder."
 
-#: project/forms/event.py:187
+#: project/forms/event.py:192
 msgid "Target group origin"
 msgstr "Für Touristen/Einwohner geeignet"
 
-#: project/forms/event.py:192
+#: project/forms/event.py:197
 msgid "EventTargetGroupOrigin.both"
 msgstr "Für Touristen und Einwohner"
 
-#: project/forms/event.py:196
+#: project/forms/event.py:201
 msgid "EventTargetGroupOrigin.tourist"
 msgstr "Hauptsächlich für Touristen"
 
-#: project/forms/event.py:200
+#: project/forms/event.py:205
 msgid "EventTargetGroupOrigin.resident"
 msgstr "Hauptsächlich für Einwohner"
 
-#: project/forms/event.py:203
+#: project/forms/event.py:208
 msgid ""
 "Choose whether the event is particularly suitable for tourists or "
 "residents."
@@ -829,27 +829,27 @@ msgstr ""
 "Wähle, ob die Veranstaltung besonders für Touristen oder Einwohner "
 "geeignet ist."
 
-#: project/forms/event.py:208
+#: project/forms/event.py:213
 msgid "Attendance mode"
 msgstr "Teilnahme"
 
-#: project/forms/event.py:213
+#: project/forms/event.py:218
 msgid "EventAttendanceMode.offline"
 msgstr "Präsenzveranstaltung"
 
-#: project/forms/event.py:217 project/templates/layout.html:106
+#: project/forms/event.py:222 project/templates/layout.html:106
 msgid "EventAttendanceMode.online"
 msgstr "Online"
 
-#: project/forms/event.py:219 project/templates/layout.html:109
+#: project/forms/event.py:224 project/templates/layout.html:109
 msgid "EventAttendanceMode.mixed"
 msgstr "Präsenzveranstaltung und online"
 
-#: project/forms/event.py:221
+#: project/forms/event.py:226
 msgid "Choose how people can attend the event."
 msgstr "Wähle aus, wie Personen an der Veranstaltung teilnehmen können."
 
-#: project/forms/event.py:225 project/forms/event_place.py:33
+#: project/forms/event.py:230 project/forms/event_place.py:33
 #: project/templates/manage/events.html:106
 #: project/templates/manage/events.html:141
 #: project/templates/manage/places.html:21
@@ -858,7 +858,7 @@ msgstr "Wähle aus, wie Personen an der Veranstaltung teilnehmen können."
 msgid "Photo"
 msgstr "Foto"
 
-#: project/forms/event.py:227
+#: project/forms/event.py:232
 msgid ""
 "We recommend uploading a photo for the event. It looks a lot more, but of"
 " course it works without it."
@@ -866,33 +866,33 @@ msgstr ""
 "Wir empfehlen dir, ein Foto für die Veranstaltung hochzuladen. Es macht "
 "schon deutlich mehr her, aber es geht natürlich auch ohne."
 
-#: project/forms/event.py:242 project/templates/_macros.html:422
+#: project/forms/event.py:247 project/templates/_macros.html:422
 #: project/templates/_macros.html:585
 msgid "Previous start date"
 msgstr "Vorheriges Startdatum"
 
-#: project/forms/event.py:244
+#: project/forms/event.py:249
 msgid "Enter when the event should have taken place before it was postponed."
 msgstr ""
 "Gib ein, wann die Veranstaltung hätte stattfinden sollen, bevor sie "
 "verschoben wurde."
 
-#: project/forms/event.py:249 project/forms/event_suggestion.py:71
+#: project/forms/event.py:254 project/forms/event_suggestion.py:71
 msgid "Categories"
 msgstr "Kategorien"
 
-#: project/forms/event.py:252 project/forms/event_suggestion.py:74
+#: project/forms/event.py:257 project/forms/event_suggestion.py:74
 msgid "Choose categories that fit the event."
 msgstr "Wähle Kategorien, die zur Veranstaltung passen."
 
-#: project/forms/event.py:255 project/forms/reference.py:14
+#: project/forms/event.py:260 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:76
 #: project/templates/event/create.html:363
 #: project/templates/event/update.html:220
 msgid "Rating"
 msgstr "Bewertung"
 
-#: project/forms/event.py:259 project/forms/reference.py:18
+#: project/forms/event.py:264 project/forms/reference.py:18
 #: project/forms/reference.py:31 project/forms/reference_request.py:80
 msgid ""
 "Choose how relevant the event is to your organization. The value is not "
@@ -901,11 +901,11 @@ msgstr ""
 "Wähle aus, wie relevant die Veranstaltung für deine Organisation ist. Der"
 " Wert ist nicht sichtbar und dient der Sortierung."
 
-#: project/forms/event.py:264
+#: project/forms/event.py:269
 msgid "Co-organizers"
 msgstr "Mitveranstalter"
 
-#: project/forms/event.py:267
+#: project/forms/event.py:272
 msgid ""
 "Select optional co-organizers. You can add and modify organizers at "
 "Organization > Organizers."
@@ -913,12 +913,12 @@ msgstr ""
 "Wähle optionale Mitveranstalter. Du kannst Veranstalter unter "
 "Organisation > Veranstalter hinzufügen und ändern."
 
-#: project/forms/event.py:277
+#: project/forms/event.py:282
 msgid "Invalid co-organizer."
 msgstr "Ungültiger Mitveranstalter."
 
-#: project/forms/event.py:286 project/forms/event.py:295
-#: project/forms/event.py:373 project/forms/event.py:450
+#: project/forms/event.py:291 project/forms/event.py:300
+#: project/forms/event.py:382 project/forms/event.py:459
 #: project/forms/event_suggestion.py:50 project/templates/_macros.html:462
 #: project/templates/_macros.html:628 project/templates/event/create.html:288
 #: project/templates/event/update.html:170
@@ -929,16 +929,16 @@ msgstr "Ungültiger Mitveranstalter."
 msgid "Place"
 msgstr "Ort"
 
-#: project/forms/event.py:288
+#: project/forms/event.py:293
 msgid "Select existing place"
 msgstr "Vorhandenen Ort auswählen"
 
-#: project/forms/event.py:289
+#: project/forms/event.py:294
 msgid "Enter new place"
 msgstr "Neuen Ort eingeben"
 
-#: project/forms/event.py:302 project/forms/event.py:311
-#: project/forms/event.py:381 project/forms/event.py:447
+#: project/forms/event.py:307 project/forms/event.py:316
+#: project/forms/event.py:390 project/forms/event.py:456
 #: project/forms/event_date.py:40 project/forms/event_suggestion.py:60
 #: project/templates/_macros.html:499 project/templates/_macros.html:671
 #: project/templates/event/create.html:257
@@ -950,35 +950,42 @@ msgstr "Neuen Ort eingeben"
 msgid "Organizer"
 msgstr "Veranstalter"
 
-#: project/forms/event.py:304
+#: project/forms/event.py:309
 msgid "Select existing organizer"
 msgstr "Vorhandenen Veranstalter auswählen"
 
-#: project/forms/event.py:305
+#: project/forms/event.py:310
 msgid "Enter new organizer"
 msgstr "Neuen Veranstalter eingeben"
 
-#: project/forms/event.py:317
+#: project/forms/event.py:323 project/templates/_macros.html:736
+#: project/templates/event/create.html:374
+#: project/templates/manage/reference_requests_incoming.html:5
+#: project/templates/manage/reference_requests_outgoing.html:5
+msgid "Reference requests"
+msgstr "Empfehlungsanfragen"
+
+#: project/forms/event.py:326
 msgid "Save as draft"
 msgstr "Als Entwurf speichern"
 
-#: project/forms/event.py:318
+#: project/forms/event.py:327
 msgid "Save as planned"
 msgstr "Als geplant speichern"
 
-#: project/forms/event.py:319
+#: project/forms/event.py:328
 msgid "Publish event"
 msgstr "Veranstaltung veröffentlichen"
 
-#: project/forms/event.py:355
+#: project/forms/event.py:364
 msgid "Select existing place or enter new place"
 msgstr "Existierenden Ort wählen oder neuen Ort eingeben"
 
-#: project/forms/event.py:363
+#: project/forms/event.py:372
 msgid "Select existing organizer or enter new organizer"
 msgstr "Wähle einen vorhandenen Veranstalter oder gib einen neuen Veranstalter ein"
 
-#: project/forms/event.py:376
+#: project/forms/event.py:385
 msgid ""
 "Choose where the event takes place. You can add and modify places at "
 "Organization > Places."
@@ -986,7 +993,7 @@ msgstr ""
 "Wähle, wo die Veranstaltung stattfindet. Du kannst Orte unter "
 "Organisation > Orte hinzufügen und ändern."
 
-#: project/forms/event.py:384
+#: project/forms/event.py:393
 msgid ""
 "Select the organizer. You can add and modify organizers at Organization >"
 " Organizers."
@@ -994,92 +1001,92 @@ msgstr ""
 "Wähle den Veranstalter. Du kannst Veranstalter unter Organisation > "
 "Veranstalter hinzufügen und ändern."
 
-#: project/forms/event.py:390 project/templates/event/update.html:149
+#: project/forms/event.py:399 project/templates/event/update.html:149
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr "Status"
 
-#: project/forms/event.py:393
+#: project/forms/event.py:402
 msgid "EventStatus.scheduled"
 msgstr "Geplant"
 
-#: project/forms/event.py:394 project/templates/layout.html:72
+#: project/forms/event.py:403 project/templates/layout.html:72
 #: project/templates/layout.html:87
 msgid "EventStatus.cancelled"
 msgstr "Abgesagt"
 
-#: project/forms/event.py:395 project/templates/layout.html:75
+#: project/forms/event.py:404 project/templates/layout.html:75
 #: project/templates/layout.html:90
 msgid "EventStatus.movedOnline"
 msgstr "Online verschoben"
 
-#: project/forms/event.py:396 project/templates/layout.html:78
+#: project/forms/event.py:405 project/templates/layout.html:78
 #: project/templates/layout.html:93
 msgid "EventStatus.postponed"
 msgstr "Verschoben"
 
-#: project/forms/event.py:397 project/templates/layout.html:81
+#: project/forms/event.py:406 project/templates/layout.html:81
 #: project/templates/layout.html:96
 msgid "EventStatus.rescheduled"
 msgstr "Neu angesetzt"
 
-#: project/forms/event.py:399
+#: project/forms/event.py:408
 msgid "Select the status of the event."
 msgstr "Wähle den Status der Veranstaltung."
 
-#: project/forms/event.py:403
+#: project/forms/event.py:412
 msgid "Public status"
 msgstr "Öffentlicher Status"
 
-#: project/forms/event.py:406
+#: project/forms/event.py:415
 msgid "PublicStatus.published"
 msgstr "Veröffentlicht"
 
-#: project/forms/event.py:407 project/templates/_macros.html:269
+#: project/forms/event.py:416 project/templates/_macros.html:269
 msgid "PublicStatus.planned"
 msgstr "In Planung"
 
-#: project/forms/event.py:408 project/templates/_macros.html:267
+#: project/forms/event.py:417 project/templates/_macros.html:267
 msgid "PublicStatus.draft"
 msgstr "Entwurf"
 
-#: project/forms/event.py:410 project/templates/event/create.html:371
+#: project/forms/event.py:419 project/templates/event/create.html:386
 msgid "Planned events appear in the scheduling view, but not on public calendars."
 msgstr ""
 "Geplante Veranstaltungen werden in der Planungsansicht angezeigt, aber "
 "nicht in öffentlichen Kalendern."
 
-#: project/forms/event.py:415 project/templates/event/update.html:5
+#: project/forms/event.py:424 project/templates/event/update.html:5
 #: project/templates/event/update.html:117
 msgid "Update event"
 msgstr "Veranstaltung aktualisieren"
 
-#: project/forms/event.py:431 project/templates/_macros.html:1279
+#: project/forms/event.py:440 project/templates/_macros.html:1279
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
 msgstr "Veranstaltung löschen"
 
-#: project/forms/event.py:438 project/forms/event_date.py:14
+#: project/forms/event.py:447 project/forms/event_date.py:14
 #: project/forms/planning.py:21
 msgid "From"
 msgstr "Von"
 
-#: project/forms/event.py:440 project/forms/event_date.py:16
+#: project/forms/event.py:449 project/forms/event_date.py:16
 #: project/forms/planning.py:22
 msgid "to"
 msgstr "bis"
 
-#: project/forms/event.py:442 project/forms/event_date.py:18
+#: project/forms/event.py:451 project/forms/event_date.py:18
 msgid "Keyword"
 msgstr "Stichwort"
 
-#: project/forms/event.py:444 project/forms/event_date.py:20
+#: project/forms/event.py:453 project/forms/event_date.py:20
 #: project/forms/planning.py:24 project/templates/_macros.html:395
 msgid "Category"
 msgstr "Kategorie"
 
-#: project/forms/event.py:454 project/forms/event_date.py:26
+#: project/forms/event.py:463 project/forms/event_date.py:26
 #: project/forms/planning.py:27 project/templates/_macros.html:324
 #: project/templates/admin_unit/create.html:39
 #: project/templates/admin_unit/update.html:47
@@ -1092,17 +1099,17 @@ msgstr "Kategorie"
 msgid "Location"
 msgstr "Standort"
 
-#: project/forms/event.py:456 project/forms/event_date.py:28
+#: project/forms/event.py:465 project/forms/event_date.py:28
 #: project/forms/planning.py:29
 msgid "Distance"
 msgstr "Distanz"
 
-#: project/forms/event.py:463 project/forms/event_date.py:49
+#: project/forms/event.py:472 project/forms/event_date.py:49
 #: project/forms/planning.py:41
 msgid "Exclude recurring events"
 msgstr "Serientermine nicht anzeigen"
 
-#: project/forms/event.py:467 project/forms/event_date.py:54
+#: project/forms/event.py:476 project/forms/event_date.py:54
 msgid "Find events"
 msgstr "Veranstaltungen finden"
 
@@ -1538,12 +1545,6 @@ msgstr "Empfohlen von"
 msgid "Reference event"
 msgstr "Veranstaltung empfehlen"
 
-#: project/templates/_macros.html:736
-#: project/templates/manage/reference_requests_incoming.html:5
-#: project/templates/manage/reference_requests_outgoing.html:5
-msgid "Reference requests"
-msgstr "Empfehlungsanfragen"
-
 #: project/templates/_macros.html:747 project/templates/_macros.html:1286
 #: project/templates/event/actions.html:32
 #: project/templates/manage/events.html:123
@@ -2268,6 +2269,14 @@ msgstr "Zugang"
 msgid "Target group"
 msgstr "Zielgruppe"
 
+#: project/templates/event/create.html:378
+msgid "References are important for the visibility of your events."
+msgstr "Empfehlungen sind wichtig für die Sichtbarkeit deiner Veranstaltungen."
+
+#: project/templates/event/create.html:379
+msgid "Select organizations to display your event on their calendars."
+msgstr "Wähle Organisationen aus, die deine Veranstaltung in ihren Kalendern anzeigen sollen."
+
 #: project/templates/event/delete.html:10
 msgid ""
 "You are about to delete an event with multiple dates. If you want to "
@@ -2709,31 +2718,31 @@ msgstr "Die eingegebene Email passt nicht zur Email der Einladung"
 msgid "Invitation successfully deleted"
 msgstr "Einladung erfolgreich gelöscht"
 
-#: project/views/event.py:181
+#: project/views/event.py:251
 msgid "Event successfully published"
 msgstr "Veranstaltung erfolgreich veröffentlicht"
 
-#: project/views/event.py:183
+#: project/views/event.py:253
 msgid "Draft successfully saved"
 msgstr "Entwurf erfolgreich gespeichert"
 
-#: project/views/event.py:185
+#: project/views/event.py:255
 msgid "Event successfully planned"
 msgstr "Veranstaltung erfolgreich geplant"
 
-#: project/views/event.py:228
+#: project/views/event.py:312
 msgid "Event successfully updated"
 msgstr "Veranstaltung erfolgreich aktualisiert"
 
-#: project/views/event.py:254
+#: project/views/event.py:338
 msgid "Event successfully deleted"
 msgstr "Veranstaltung erfolgreich gelöscht"
 
-#: project/views/event.py:419
+#: project/views/event.py:503
 msgid "Referenced event changed"
 msgstr "Empfohlene Veranstaltung wurde geändert"
 
-#: project/views/event.py:442
+#: project/views/event.py:526
 msgid "New event report"
 msgstr "Neue Meldung zu einer Veranstaltung"
 
@@ -2844,24 +2853,26 @@ msgstr "Empfehlung erfolgreich empfohlen"
 msgid "Reference successfully deleted"
 msgstr "Empfehlung erfolgreich gelöscht"
 
-#: project/views/reference_request.py:104
-#: project/views/reference_request_review.py:57
-msgid "Reference successfully created"
-msgstr "Empfehlung erfolgreich erstellt"
+#: project/views/reference_request.py:124
+#, python-format
+msgid "%(organization)s accepted your reference request"
+msgstr "%(organization)s hat deine Empfehlungsanfrage akzeptiert"
 
-#: project/views/reference_request.py:108
+#: project/views/reference_request.py:131
+#, python-format
 msgid ""
-"Request successfully created. You will be notified after the other "
-"organization reviews the event."
+"Reference request to %(organization)s successfully created. You will be "
+"notified after the other organization reviews the event."
 msgstr ""
-"Empfehlungsanfrage erfolgreich erstellt. Du wirst benachrichtigt, nachdem"
-" die andere Organisation die Veranstaltung geprüft hat."
+"Empfehlungsanfrage an %(organization)s erfolgreich erstellt. Du wirst "
+"benachrichtigt, nachdem die andere Organisation die Veranstaltung geprüft"
+" hat."
 
-#: project/views/reference_request.py:144
+#: project/views/reference_request.py:154
 msgid "New reference request"
 msgstr "Neue Empfehlungsanfrage"
 
-#: project/views/reference_request.py:153
+#: project/views/reference_request.py:163
 msgid "New reference automatically verified"
 msgstr "Neue automatisch verifizierte Empfehlung"
 
@@ -2870,6 +2881,10 @@ msgstr "Neue automatisch verifizierte Empfehlung"
 msgid "Request already verified"
 msgstr "Empfehlungsanfrage ist bereits verifiziert"
 
+#: project/views/reference_request_review.py:57
+msgid "Reference successfully created"
+msgstr "Empfehlung erfolgreich erstellt"
+
 #: project/views/reference_request_review.py:65
 msgid "Request successfully updated"
 msgstr "Empfehlungsanfrage erfolgreich aktualisiert"
@@ -3052,3 +3067,12 @@ msgstr "Neue Veranstaltung zu prüfen"
 #~ msgid "Select the public status of the event."
 #~ msgstr "Wähle den öffentlichen Status der Veranstaltung."
 
+#~ msgid ""
+#~ "Request successfully created. You will "
+#~ "be notified after the other organization"
+#~ " reviews the event."
+#~ msgstr ""
+#~ "Empfehlungsanfrage erfolgreich erstellt. Du "
+#~ "wirst benachrichtigt, nachdem die andere "
+#~ "Organisation die Veranstaltung geprüft hat."
+
diff --git a/project/translations/en/LC_MESSAGES/messages.mo b/project/translations/en/LC_MESSAGES/messages.mo
index a7dd873..0a27c17 100644
Binary files a/project/translations/en/LC_MESSAGES/messages.mo and b/project/translations/en/LC_MESSAGES/messages.mo differ
diff --git a/project/translations/en/LC_MESSAGES/messages.po b/project/translations/en/LC_MESSAGES/messages.po
index a6928b3..51d2015 100644
--- a/project/translations/en/LC_MESSAGES/messages.po
+++ b/project/translations/en/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-06-09 13:32+0200\n"
+"POT-Creation-Date: 2023-06-12 14:29+0200\n"
 "PO-Revision-Date: 2021-04-30 15:04+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: en\n"
@@ -258,7 +258,7 @@ msgstr ""
 
 #: project/forms/admin.py:34 project/forms/admin_unit.py:60
 #: project/forms/admin_unit_member.py:12 project/forms/admin_unit_member.py:25
-#: project/forms/admin_unit_member.py:30 project/forms/event.py:107
+#: project/forms/admin_unit_member.py:30 project/forms/event.py:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
 #: project/forms/user.py:18 project/forms/user.py:23
 #: project/templates/_macros.html:246 project/templates/_macros.html:1561
@@ -323,7 +323,7 @@ msgstr ""
 
 #: project/forms/admin.py:76 project/forms/admin_unit.py:149
 #: project/forms/admin_unit.py:154 project/forms/admin_unit.py:159
-#: project/forms/event.py:85 project/forms/event.py:114
+#: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:30 project/forms/organizer.py:58
@@ -366,7 +366,7 @@ msgstr ""
 msgid "Street"
 msgstr ""
 
-#: project/forms/admin_unit.py:18 project/forms/event.py:461
+#: project/forms/admin_unit.py:18 project/forms/event.py:470
 #: project/forms/event_date.py:52 project/forms/event_place.py:16
 #: project/forms/organizer.py:16 project/forms/planning.py:44
 msgid "Postal code"
@@ -412,7 +412,7 @@ msgstr ""
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
-#: project/forms/admin_unit.py:55 project/forms/event.py:119
+#: project/forms/admin_unit.py:55 project/forms/event.py:124
 #: project/forms/event_place.py:34
 msgid "Description"
 msgstr ""
@@ -421,20 +421,20 @@ msgstr ""
 msgid "Describe the organization in a few words"
 msgstr ""
 
-#: project/forms/admin_unit.py:59 project/forms/event.py:106
-#: project/forms/event.py:124 project/forms/event_place.py:32
+#: project/forms/admin_unit.py:59 project/forms/event.py:111
+#: project/forms/event.py:129 project/forms/event_place.py:32
 #: project/forms/organizer.py:32 project/templates/manage/organizers.html:21
 msgid "Link URL"
 msgstr ""
 
-#: project/forms/admin_unit.py:61 project/forms/event.py:108
+#: project/forms/admin_unit.py:61 project/forms/event.py:113
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:34
 #: project/templates/_macros.html:309
 #: project/templates/manage/organizers.html:20
 msgid "Phone"
 msgstr ""
 
-#: project/forms/admin_unit.py:62 project/forms/event.py:109
+#: project/forms/admin_unit.py:62 project/forms/event.py:114
 #: project/forms/organizer.py:35 project/templates/_macros.html:317
 msgid "Fax"
 msgstr ""
@@ -636,187 +636,187 @@ msgstr ""
 msgid "100 km"
 msgstr ""
 
-#: project/forms/event.py:38 project/templates/manage/events.html:102
+#: project/forms/event.py:43 project/templates/manage/events.html:102
 msgid "Start"
 msgstr ""
 
-#: project/forms/event.py:40
+#: project/forms/event.py:45
 msgid "Indicate when the event date will start."
 msgstr ""
 
-#: project/forms/event.py:43
+#: project/forms/event.py:48
 msgid "End"
 msgstr ""
 
-#: project/forms/event.py:45
+#: project/forms/event.py:50
 msgid ""
 "Indicate when the event date will end. An event can last a maximum of 14 "
 "days."
 msgstr ""
 
-#: project/forms/event.py:50
+#: project/forms/event.py:55
 msgid "All-day"
 msgstr ""
 
-#: project/forms/event.py:54 project/templates/_macros.html:1773
+#: project/forms/event.py:59 project/templates/_macros.html:1773
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr ""
 
-#: project/forms/event.py:61 project/templates/_macros.html:1322
+#: project/forms/event.py:66 project/templates/_macros.html:1322
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:67 project/templates/_macros.html:1339
+#: project/forms/event.py:72 project/templates/_macros.html:1339
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
-#: project/forms/event.py:103
+#: project/forms/event.py:108
 msgid "Organizator"
 msgstr ""
 
-#: project/forms/event.py:116
+#: project/forms/event.py:121
 msgid "Enter a short, meaningful name for the event."
 msgstr ""
 
-#: project/forms/event.py:121
+#: project/forms/event.py:126
 msgid "Add an description of the event."
 msgstr ""
 
-#: project/forms/event.py:126
+#: project/forms/event.py:131
 msgid ""
 "Enter a link to an external website containing more information about the"
 " event."
 msgstr ""
 
-#: project/forms/event.py:131
+#: project/forms/event.py:136
 msgid "Ticket Link URL"
 msgstr ""
 
-#: project/forms/event.py:133
+#: project/forms/event.py:138
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:136 project/templates/_macros.html:228
+#: project/forms/event.py:141 project/templates/_macros.html:228
 msgid "Tags"
 msgstr ""
 
-#: project/forms/event.py:138
+#: project/forms/event.py:143
 msgid ""
 "Enter keywords with which the event should be found. Words do not need to"
 " be entered if they are already in the name or description."
 msgstr ""
 
-#: project/forms/event.py:143
+#: project/forms/event.py:148
 msgid "Kid friendly"
 msgstr ""
 
-#: project/forms/event.py:145
+#: project/forms/event.py:150
 msgid "If the event is particularly suitable for children."
 msgstr ""
 
-#: project/forms/event.py:148
+#: project/forms/event.py:153
 msgid "Accessible for free"
 msgstr ""
 
-#: project/forms/event.py:150
+#: project/forms/event.py:155
 msgid "If the event is accessible for free."
 msgstr ""
 
-#: project/forms/event.py:153
+#: project/forms/event.py:158
 msgid "Typical Age from"
 msgstr ""
 
-#: project/forms/event.py:155
+#: project/forms/event.py:160
 msgid "The minimum age that participants should be."
 msgstr ""
 
-#: project/forms/event.py:158
+#: project/forms/event.py:163
 msgid "Typical Age to"
 msgstr ""
 
-#: project/forms/event.py:160
+#: project/forms/event.py:165
 msgid "The maximum age that participants should be."
 msgstr ""
 
-#: project/forms/event.py:163
+#: project/forms/event.py:168
 msgid "Registration required"
 msgstr ""
 
-#: project/forms/event.py:165
+#: project/forms/event.py:170
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:170 project/templates/_macros.html:260
+#: project/forms/event.py:175 project/templates/_macros.html:260
 #: project/templates/layout.html:118
 msgid "Booked up"
 msgstr ""
 
-#: project/forms/event.py:172
+#: project/forms/event.py:177
 msgid "If the event is booked up or sold out."
 msgstr ""
 
-#: project/forms/event.py:175
+#: project/forms/event.py:180
 msgid "Expected number of participants"
 msgstr ""
 
-#: project/forms/event.py:177
+#: project/forms/event.py:182
 msgid "The estimated expected attendance."
 msgstr ""
 
-#: project/forms/event.py:180
+#: project/forms/event.py:185
 msgid "Price info"
 msgstr ""
 
-#: project/forms/event.py:182
+#: project/forms/event.py:187
 msgid ""
 "Enter price information in textual form. E.g., different prices for "
 "adults and children."
 msgstr ""
 
-#: project/forms/event.py:187
+#: project/forms/event.py:192
 msgid "Target group origin"
 msgstr "Suitable for tourists / residents"
 
-#: project/forms/event.py:192
+#: project/forms/event.py:197
 msgid "EventTargetGroupOrigin.both"
 msgstr "For tourists and residents"
 
-#: project/forms/event.py:196
+#: project/forms/event.py:201
 msgid "EventTargetGroupOrigin.tourist"
 msgstr "Mainly for tourists"
 
-#: project/forms/event.py:200
+#: project/forms/event.py:205
 msgid "EventTargetGroupOrigin.resident"
 msgstr "Mainly for residents"
 
-#: project/forms/event.py:203
+#: project/forms/event.py:208
 msgid ""
 "Choose whether the event is particularly suitable for tourists or "
 "residents."
 msgstr ""
 
-#: project/forms/event.py:208
+#: project/forms/event.py:213
 msgid "Attendance mode"
 msgstr ""
 
-#: project/forms/event.py:213
+#: project/forms/event.py:218
 msgid "EventAttendanceMode.offline"
 msgstr "Normal (Offline)"
 
-#: project/forms/event.py:217 project/templates/layout.html:106
+#: project/forms/event.py:222 project/templates/layout.html:106
 msgid "EventAttendanceMode.online"
 msgstr "Online"
 
-#: project/forms/event.py:219 project/templates/layout.html:109
+#: project/forms/event.py:224 project/templates/layout.html:109
 msgid "EventAttendanceMode.mixed"
 msgstr "Online and offline"
 
-#: project/forms/event.py:221
+#: project/forms/event.py:226
 msgid "Choose how people can attend the event."
 msgstr ""
 
-#: project/forms/event.py:225 project/forms/event_place.py:33
+#: project/forms/event.py:230 project/forms/event_place.py:33
 #: project/templates/manage/events.html:106
 #: project/templates/manage/events.html:141
 #: project/templates/manage/places.html:21
@@ -825,59 +825,59 @@ msgstr ""
 msgid "Photo"
 msgstr ""
 
-#: project/forms/event.py:227
+#: project/forms/event.py:232
 msgid ""
 "We recommend uploading a photo for the event. It looks a lot more, but of"
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:242 project/templates/_macros.html:422
+#: project/forms/event.py:247 project/templates/_macros.html:422
 #: project/templates/_macros.html:585
 msgid "Previous start date"
 msgstr ""
 
-#: project/forms/event.py:244
+#: project/forms/event.py:249
 msgid "Enter when the event should have taken place before it was postponed."
 msgstr ""
 
-#: project/forms/event.py:249 project/forms/event_suggestion.py:71
+#: project/forms/event.py:254 project/forms/event_suggestion.py:71
 msgid "Categories"
 msgstr ""
 
-#: project/forms/event.py:252 project/forms/event_suggestion.py:74
+#: project/forms/event.py:257 project/forms/event_suggestion.py:74
 msgid "Choose categories that fit the event."
 msgstr ""
 
-#: project/forms/event.py:255 project/forms/reference.py:14
+#: project/forms/event.py:260 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:76
 #: project/templates/event/create.html:363
 #: project/templates/event/update.html:220
 msgid "Rating"
 msgstr ""
 
-#: project/forms/event.py:259 project/forms/reference.py:18
+#: project/forms/event.py:264 project/forms/reference.py:18
 #: project/forms/reference.py:31 project/forms/reference_request.py:80
 msgid ""
 "Choose how relevant the event is to your organization. The value is not "
 "visible and is used for sorting."
 msgstr ""
 
-#: project/forms/event.py:264
+#: project/forms/event.py:269
 msgid "Co-organizers"
 msgstr ""
 
-#: project/forms/event.py:267
+#: project/forms/event.py:272
 msgid ""
 "Select optional co-organizers. You can add and modify organizers at "
 "Organization > Organizers."
 msgstr ""
 
-#: project/forms/event.py:277
+#: project/forms/event.py:282
 msgid "Invalid co-organizer."
 msgstr ""
 
-#: project/forms/event.py:286 project/forms/event.py:295
-#: project/forms/event.py:373 project/forms/event.py:450
+#: project/forms/event.py:291 project/forms/event.py:300
+#: project/forms/event.py:382 project/forms/event.py:459
 #: project/forms/event_suggestion.py:50 project/templates/_macros.html:462
 #: project/templates/_macros.html:628 project/templates/event/create.html:288
 #: project/templates/event/update.html:170
@@ -888,16 +888,16 @@ msgstr ""
 msgid "Place"
 msgstr ""
 
-#: project/forms/event.py:288
+#: project/forms/event.py:293
 msgid "Select existing place"
 msgstr ""
 
-#: project/forms/event.py:289
+#: project/forms/event.py:294
 msgid "Enter new place"
 msgstr ""
 
-#: project/forms/event.py:302 project/forms/event.py:311
-#: project/forms/event.py:381 project/forms/event.py:447
+#: project/forms/event.py:307 project/forms/event.py:316
+#: project/forms/event.py:390 project/forms/event.py:456
 #: project/forms/event_date.py:40 project/forms/event_suggestion.py:60
 #: project/templates/_macros.html:499 project/templates/_macros.html:671
 #: project/templates/event/create.html:257
@@ -909,130 +909,137 @@ msgstr ""
 msgid "Organizer"
 msgstr ""
 
-#: project/forms/event.py:304
+#: project/forms/event.py:309
 msgid "Select existing organizer"
 msgstr ""
 
-#: project/forms/event.py:305
+#: project/forms/event.py:310
 msgid "Enter new organizer"
 msgstr ""
 
-#: project/forms/event.py:317
+#: project/forms/event.py:323 project/templates/_macros.html:736
+#: project/templates/event/create.html:374
+#: project/templates/manage/reference_requests_incoming.html:5
+#: project/templates/manage/reference_requests_outgoing.html:5
+msgid "Reference requests"
+msgstr ""
+
+#: project/forms/event.py:326
 msgid "Save as draft"
 msgstr ""
 
-#: project/forms/event.py:318
+#: project/forms/event.py:327
 msgid "Save as planned"
 msgstr ""
 
-#: project/forms/event.py:319
+#: project/forms/event.py:328
 msgid "Publish event"
 msgstr ""
 
-#: project/forms/event.py:355
+#: project/forms/event.py:364
 msgid "Select existing place or enter new place"
 msgstr ""
 
-#: project/forms/event.py:363
+#: project/forms/event.py:372
 msgid "Select existing organizer or enter new organizer"
 msgstr ""
 
-#: project/forms/event.py:376
+#: project/forms/event.py:385
 msgid ""
 "Choose where the event takes place. You can add and modify places at "
 "Organization > Places."
 msgstr ""
 
-#: project/forms/event.py:384
+#: project/forms/event.py:393
 msgid ""
 "Select the organizer. You can add and modify organizers at Organization >"
 " Organizers."
 msgstr ""
 
-#: project/forms/event.py:390 project/templates/event/update.html:149
+#: project/forms/event.py:399 project/templates/event/update.html:149
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr ""
 
-#: project/forms/event.py:393
+#: project/forms/event.py:402
 msgid "EventStatus.scheduled"
 msgstr "Scheduled"
 
-#: project/forms/event.py:394 project/templates/layout.html:72
+#: project/forms/event.py:403 project/templates/layout.html:72
 #: project/templates/layout.html:87
 msgid "EventStatus.cancelled"
 msgstr "Cancelled"
 
-#: project/forms/event.py:395 project/templates/layout.html:75
+#: project/forms/event.py:404 project/templates/layout.html:75
 #: project/templates/layout.html:90
 msgid "EventStatus.movedOnline"
 msgstr "Moved online"
 
-#: project/forms/event.py:396 project/templates/layout.html:78
+#: project/forms/event.py:405 project/templates/layout.html:78
 #: project/templates/layout.html:93
 msgid "EventStatus.postponed"
 msgstr "Postponed"
 
-#: project/forms/event.py:397 project/templates/layout.html:81
+#: project/forms/event.py:406 project/templates/layout.html:81
 #: project/templates/layout.html:96
 msgid "EventStatus.rescheduled"
 msgstr "Rescheduled"
 
-#: project/forms/event.py:399
+#: project/forms/event.py:408
 msgid "Select the status of the event."
 msgstr ""
 
-#: project/forms/event.py:403
+#: project/forms/event.py:412
 msgid "Public status"
 msgstr ""
 
-#: project/forms/event.py:406
+#: project/forms/event.py:415
 msgid "PublicStatus.published"
 msgstr ""
 
-#: project/forms/event.py:407 project/templates/_macros.html:269
+#: project/forms/event.py:416 project/templates/_macros.html:269
 msgid "PublicStatus.planned"
 msgstr ""
 
-#: project/forms/event.py:408 project/templates/_macros.html:267
+#: project/forms/event.py:417 project/templates/_macros.html:267
 msgid "PublicStatus.draft"
 msgstr ""
 
-#: project/forms/event.py:410 project/templates/event/create.html:371
+#: project/forms/event.py:419 project/templates/event/create.html:386
 msgid "Planned events appear in the scheduling view, but not on public calendars."
 msgstr ""
 
-#: project/forms/event.py:415 project/templates/event/update.html:5
+#: project/forms/event.py:424 project/templates/event/update.html:5
 #: project/templates/event/update.html:117
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:431 project/templates/_macros.html:1279
+#: project/forms/event.py:440 project/templates/_macros.html:1279
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
 msgstr ""
 
-#: project/forms/event.py:438 project/forms/event_date.py:14
+#: project/forms/event.py:447 project/forms/event_date.py:14
 #: project/forms/planning.py:21
 msgid "From"
 msgstr ""
 
-#: project/forms/event.py:440 project/forms/event_date.py:16
+#: project/forms/event.py:449 project/forms/event_date.py:16
 #: project/forms/planning.py:22
 msgid "to"
 msgstr ""
 
-#: project/forms/event.py:442 project/forms/event_date.py:18
+#: project/forms/event.py:451 project/forms/event_date.py:18
 msgid "Keyword"
 msgstr ""
 
-#: project/forms/event.py:444 project/forms/event_date.py:20
+#: project/forms/event.py:453 project/forms/event_date.py:20
 #: project/forms/planning.py:24 project/templates/_macros.html:395
 msgid "Category"
 msgstr ""
 
-#: project/forms/event.py:454 project/forms/event_date.py:26
+#: project/forms/event.py:463 project/forms/event_date.py:26
 #: project/forms/planning.py:27 project/templates/_macros.html:324
 #: project/templates/admin_unit/create.html:39
 #: project/templates/admin_unit/update.html:47
@@ -1045,17 +1052,17 @@ msgstr ""
 msgid "Location"
 msgstr ""
 
-#: project/forms/event.py:456 project/forms/event_date.py:28
+#: project/forms/event.py:465 project/forms/event_date.py:28
 #: project/forms/planning.py:29
 msgid "Distance"
 msgstr ""
 
-#: project/forms/event.py:463 project/forms/event_date.py:49
+#: project/forms/event.py:472 project/forms/event_date.py:49
 #: project/forms/planning.py:41
 msgid "Exclude recurring events"
 msgstr ""
 
-#: project/forms/event.py:467 project/forms/event_date.py:54
+#: project/forms/event.py:476 project/forms/event_date.py:54
 msgid "Find events"
 msgstr ""
 
@@ -1485,12 +1492,6 @@ msgstr ""
 msgid "Reference event"
 msgstr ""
 
-#: project/templates/_macros.html:736
-#: project/templates/manage/reference_requests_incoming.html:5
-#: project/templates/manage/reference_requests_outgoing.html:5
-msgid "Reference requests"
-msgstr ""
-
 #: project/templates/_macros.html:747 project/templates/_macros.html:1286
 #: project/templates/event/actions.html:32
 #: project/templates/manage/events.html:123
@@ -2209,6 +2210,14 @@ msgstr ""
 msgid "Target group"
 msgstr ""
 
+#: project/templates/event/create.html:378
+msgid "References are important for the visibility of your events."
+msgstr ""
+
+#: project/templates/event/create.html:379
+msgid "Select organizations to display your event on their calendars."
+msgstr ""
+
 #: project/templates/event/delete.html:10
 msgid ""
 "You are about to delete an event with multiple dates. If you want to "
@@ -2638,31 +2647,31 @@ msgstr ""
 msgid "Invitation successfully deleted"
 msgstr ""
 
-#: project/views/event.py:181
+#: project/views/event.py:251
 msgid "Event successfully published"
 msgstr ""
 
-#: project/views/event.py:183
+#: project/views/event.py:253
 msgid "Draft successfully saved"
 msgstr ""
 
-#: project/views/event.py:185
+#: project/views/event.py:255
 msgid "Event successfully planned"
 msgstr ""
 
-#: project/views/event.py:228
+#: project/views/event.py:312
 msgid "Event successfully updated"
 msgstr ""
 
-#: project/views/event.py:254
+#: project/views/event.py:338
 msgid "Event successfully deleted"
 msgstr ""
 
-#: project/views/event.py:419
+#: project/views/event.py:503
 msgid "Referenced event changed"
 msgstr ""
 
-#: project/views/event.py:442
+#: project/views/event.py:526
 msgid "New event report"
 msgstr ""
 
@@ -2771,22 +2780,23 @@ msgstr ""
 msgid "Reference successfully deleted"
 msgstr ""
 
-#: project/views/reference_request.py:104
-#: project/views/reference_request_review.py:57
-msgid "Reference successfully created"
+#: project/views/reference_request.py:124
+#, python-format
+msgid "%(organization)s accepted your reference request"
 msgstr ""
 
-#: project/views/reference_request.py:108
+#: project/views/reference_request.py:131
+#, python-format
 msgid ""
-"Request successfully created. You will be notified after the other "
-"organization reviews the event."
+"Reference request to %(organization)s successfully created. You will be "
+"notified after the other organization reviews the event."
 msgstr ""
 
-#: project/views/reference_request.py:144
+#: project/views/reference_request.py:154
 msgid "New reference request"
 msgstr ""
 
-#: project/views/reference_request.py:153
+#: project/views/reference_request.py:163
 msgid "New reference automatically verified"
 msgstr ""
 
@@ -2795,6 +2805,10 @@ msgstr ""
 msgid "Request already verified"
 msgstr ""
 
+#: project/views/reference_request_review.py:57
+msgid "Reference successfully created"
+msgstr ""
+
 #: project/views/reference_request_review.py:65
 msgid "Request successfully updated"
 msgstr ""
@@ -2960,3 +2974,9 @@ msgstr ""
 #~ msgid "Select the public status of the event."
 #~ msgstr ""
 
+#~ msgid ""
+#~ "Request successfully created. You will "
+#~ "be notified after the other organization"
+#~ " reviews the event."
+#~ msgstr ""
+
diff --git a/project/views/event.py b/project/views/event.py
index 361ee16..0a26143 100644
--- a/project/views/event.py
+++ b/project/views/event.py
@@ -11,6 +11,7 @@ from project.access import (
     can_read_event_or_401,
     can_reference_event,
     can_request_event_reference,
+    can_request_event_reference_from_admin_unit,
     get_admin_unit_members_with_permission,
     has_access,
 )
@@ -28,6 +29,11 @@ from project.models import (
     EventSuggestion,
     PublicStatus,
 )
+from project.models.event_reference_request import EventReferenceRequest
+from project.services.admin_unit import (
+    get_admin_unit_relations_for_reference_requests,
+    get_admin_units_for_reference_requests,
+)
 from project.services.event import (
     create_ical_events_for_event,
     get_event_with_details_or_404,
@@ -38,8 +44,13 @@ from project.services.event import (
     update_event,
     upsert_event_category,
 )
+from project.services.reference import (
+    get_newest_reference_requests,
+    get_newest_references,
+)
 from project.utils import get_event_category_name, get_place_str
 from project.views.event_suggestion import send_event_suggestion_review_status_mail
+from project.views.reference_request import handle_request_according_to_relation
 from project.views.utils import (
     flash_errors,
     flash_message,
@@ -103,6 +114,61 @@ def event_report(event_id):
     return render_template("event/report.html")
 
 
+def prepare_form_reference_requests(form, admin_unit):
+    if not can_request_event_reference_from_admin_unit(admin_unit):
+        form.reference_request_admin_unit_id.choices = []
+        return
+
+    max_choices = 5
+    admin_unit_ids = []
+    admin_unit_choices = []
+    selected_ids = []
+
+    def add_admin_units(admin_units, selected=True):
+        for admin_unit in admin_units:
+            if admin_unit.id in admin_unit_ids:
+                continue
+
+            admin_unit_ids.append(admin_unit.id)
+            admin_unit_choices.append(admin_unit)
+
+            if selected:
+                selected_ids.append(admin_unit.id)
+
+    # Neuste ausgehende Empfehlungsanfragen
+    limit = max_choices - len(admin_unit_ids)
+    reference_requests = get_newest_reference_requests(admin_unit.id, limit)
+    add_admin_units([r.admin_unit for r in reference_requests])
+
+    # Neuste ausgehende Empfehlungen
+    limit = max_choices - len(admin_unit_ids)
+    if limit > 0:
+        references = get_newest_references(admin_unit.id, limit)
+        add_admin_units([r.admin_unit for r in references])
+
+    # Eingehende Beziehungen, die Organisation oder Events automatisch verifizieren
+    limit = max_choices - len(admin_unit_ids)
+    if limit > 0:
+        relations = get_admin_unit_relations_for_reference_requests(
+            admin_unit.id, limit
+        )
+        add_admin_units([r.source_admin_unit for r in relations])
+
+    # Organisationen, die eingehende Empfehlungsanfragen erlauben
+    limit = max_choices - len(admin_unit_ids)
+    if limit > 0:
+        admin_units_for_reference = get_admin_units_for_reference_requests(
+            admin_unit.id, limit
+        )
+        add_admin_units(admin_units_for_reference, False)
+
+    form.reference_request_admin_unit_id.choices = sorted(
+        [(a.id, a.name) for a in admin_unit_choices],
+        key=lambda a: a[1],
+    )
+    form.reference_request_admin_unit_id.data = selected_ids
+
+
 @app.route("/admin_unit/<int:id>/events/create", methods=("GET", "POST"))
 @auth_required()
 def event_create_for_admin_unit_id(id):
@@ -114,6 +180,7 @@ def event_create_for_admin_unit_id(id):
         admin_unit_id=admin_unit.id, category_ids=[upsert_event_category("Other").id]
     )
     prepare_event_form(form)
+    prepare_form_reference_requests(form, admin_unit)
 
     # Vorlagen
     event_suggestion = None
@@ -188,6 +255,20 @@ def event_create_for_admin_unit_id(id):
                 success_msg,
                 url_for("event", event_id=event.id),
             )
+
+            if (
+                event.public_status == PublicStatus.published
+                and form.reference_request_admin_unit_id.data
+            ):
+                for target_admin_unit_id in form.reference_request_admin_unit_id.data:
+                    reference_request = EventReferenceRequest()
+                    reference_request.event_id = event.id
+                    reference_request.admin_unit_id = target_admin_unit_id
+                    db.session.add(reference_request)
+                    msg = handle_request_according_to_relation(reference_request, event)
+                    db.session.commit()
+                    flash(msg, "success")
+
             return redirect(url_for("event_actions", event_id=event.id))
         except SQLAlchemyError as e:
             db.session.rollback()
diff --git a/project/views/reference_request.py b/project/views/reference_request.py
index f52b1a5..0fd7c05 100644
--- a/project/views/reference_request.py
+++ b/project/views/reference_request.py
@@ -17,7 +17,7 @@ from project.models import (
     EventReferenceRequest,
     EventReferenceRequestReviewStatus,
 )
-from project.services.admin_unit import get_admin_unit_relation
+from project.services.admin_unit import get_admin_unit_by_id, get_admin_unit_relation
 from project.services.reference import (
     create_event_reference_for_request,
     get_reference_requests_incoming_query,
@@ -92,23 +92,7 @@ def event_reference_request_create(event_id):
         try:
             db.session.add(request)
 
-            relation = get_admin_unit_relation(
-                request.admin_unit_id, event.admin_unit_id
-            )
-            auto_verify = relation and relation.auto_verify_event_reference_requests
-
-            if auto_verify:
-                request.review_status = EventReferenceRequestReviewStatus.verified
-                reference = create_event_reference_for_request(request)
-                send_auto_reference_inbox_mails(reference)
-                msg = gettext("Reference successfully created")
-            else:
-                request.review_status = EventReferenceRequestReviewStatus.inbox
-                send_reference_request_inbox_mails(request)
-                msg = gettext(
-                    "Request successfully created. You will be notified after the other organization reviews the event."
-                )
-
+            msg = handle_request_according_to_relation(request, event)
             db.session.commit()
             flash(msg, "success")
             return redirect(
@@ -126,6 +110,32 @@ def event_reference_request_create(event_id):
     return render_template("event/reference_request.html", form=form, event=event)
 
 
+def handle_request_according_to_relation(
+    request: EventReferenceRequest, event: Event
+) -> str:
+    admin_unit = get_admin_unit_by_id(request.admin_unit_id)
+    relation = get_admin_unit_relation(request.admin_unit_id, event.admin_unit_id)
+    auto_verify = relation and relation.auto_verify_event_reference_requests
+
+    if auto_verify:
+        request.review_status = EventReferenceRequestReviewStatus.verified
+        reference = create_event_reference_for_request(request)
+        send_auto_reference_inbox_mails(reference)
+        msg = gettext(
+            "%(organization)s accepted your reference request",
+            organization=admin_unit.name,
+        )
+    else:
+        request.review_status = EventReferenceRequestReviewStatus.inbox
+        send_reference_request_inbox_mails(request)
+        msg = gettext(
+            "Reference request to %(organization)s successfully created. You will be notified after the other organization reviews the event.",
+            organization=admin_unit.name,
+        )
+
+    return msg
+
+
 def send_member_reference_request_verify_mails(
     admin_unit_id, subject, template, **context
 ):
diff --git a/tests/seeder.py b/tests/seeder.py
index c64121d..4fa27fd 100644
--- a/tests/seeder.py
+++ b/tests/seeder.py
@@ -77,6 +77,7 @@ class Seeder(object):
         can_verify_other=False,
         verified=False,
         can_invite_other=True,
+        incoming_verification_requests_allowed=False,
         **kwargs
     ):
         from project.models import AdminUnit, Location
@@ -93,6 +94,9 @@ class Seeder(object):
             admin_unit.can_create_other = can_create_other
             admin_unit.can_verify_other = can_verify_other
             admin_unit.can_invite_other = can_invite_other
+            admin_unit.incoming_verification_requests_allowed = (
+                incoming_verification_requests_allowed
+            )
 
             location = Location()
             location.postalCode = "12345"
@@ -109,6 +113,13 @@ class Seeder(object):
 
         return admin_unit_id
 
+    def get_eventcally_admin_unit_id(self):
+        from project.services.admin_unit import get_admin_unit_by_name
+
+        with self._app.app_context():
+            other_admin_unit = get_admin_unit_by_name("eventcally")
+            return other_admin_unit.id if other_admin_unit else None
+
     def verify_admin_unit(self, admin_unit_id):
         from project.services.admin_unit import get_admin_unit_by_name
 
diff --git a/tests/views/test_event.py b/tests/views/test_event.py
index 523abd5..512a662 100644
--- a/tests/views/test_event.py
+++ b/tests/views/test_event.py
@@ -1,6 +1,9 @@
 import pytest
 from psycopg2.errors import UniqueViolation
 
+from tests.seeder import Seeder
+from tests.utils import UtilActions
+
 
 @pytest.mark.parametrize(
     "external_link", [None, "https://example.com", "www.example.com"]
@@ -54,7 +57,7 @@ def test_read_co_organizers(seeder, utils):
 
 
 @pytest.mark.parametrize("variant", ["normal", "db_error", "two_date_definitions"])
-def test_create(client, app, utils, seeder, mocker, variant):
+def test_create(client, app, utils: UtilActions, seeder: Seeder, mocker, variant):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
     organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
@@ -105,7 +108,7 @@ def test_create(client, app, utils, seeder, mocker, variant):
             assert len(event.date_definitions) == 1
 
 
-def test_create_allday(client, app, utils, seeder):
+def test_create_allday(client, app, utils: UtilActions, seeder: Seeder):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
     organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
@@ -142,7 +145,100 @@ def test_create_allday(client, app, utils, seeder):
         assert event.date_definitions[0].allday
 
 
-def test_create_newPlaceAndOrganizer(client, app, utils, seeder, mocker):
+def test_create_with_reference_requests(
+    client, app, utils: UtilActions, seeder: Seeder
+):
+    user_id, admin_unit_id = seeder.setup_base()
+    eventcally_admin_unit_id = seeder.get_eventcally_admin_unit_id()
+    place_id = seeder.upsert_default_event_place(admin_unit_id)
+    organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
+
+    other_user_id = seeder.create_user("other@test.de")
+    other_admin_unit_id = seeder.create_admin_unit(
+        other_user_id,
+        "Other Crew",
+        verified=True,
+        incoming_verification_requests_allowed=True,
+    )
+    seeder.create_admin_unit_relation(
+        other_admin_unit_id, admin_unit_id, auto_verify_event_reference_requests=True
+    )
+
+    url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "name": "Name",
+            "description": "Beschreibung",
+            "date_definitions-0-start": ["2030-12-31", "00:00"],
+            "date_definitions-0-end": ["2030-12-31", "23:59"],
+            "event_place_id": place_id,
+            "organizer_id": organizer_id,
+            "reference_request_admin_unit_id": [
+                eventcally_admin_unit_id,
+                other_admin_unit_id,
+            ],
+        },
+    )
+
+    utils.assert_response_redirect(response, "event_actions", event_id=1)
+
+    with app.app_context():
+        from project.models import (
+            Event,
+            EventReference,
+            EventReferenceRequest,
+            EventReferenceRequestReviewStatus,
+        )
+
+        event = (
+            Event.query.filter(Event.admin_unit_id == admin_unit_id)
+            .filter(Event.name == "Name")
+            .first()
+        )
+        assert event is not None
+
+        reference_request = (
+            EventReferenceRequest.query.filter(
+                EventReferenceRequest.admin_unit_id == eventcally_admin_unit_id
+            )
+            .filter(EventReferenceRequest.event_id == event.id)
+            .first()
+        )
+        assert reference_request is not None
+        assert (
+            reference_request.review_status == EventReferenceRequestReviewStatus.inbox
+        )
+
+        reference_request = (
+            EventReferenceRequest.query.filter(
+                EventReferenceRequest.admin_unit_id == other_admin_unit_id
+            )
+            .filter(EventReferenceRequest.event_id == event.id)
+            .first()
+        )
+        assert reference_request is not None
+        assert (
+            reference_request.review_status
+            == EventReferenceRequestReviewStatus.verified
+        )
+
+        reference = (
+            EventReference.query.filter(
+                EventReference.admin_unit_id == other_admin_unit_id
+            )
+            .filter(EventReference.event_id == event.id)
+            .first()
+        )
+        assert reference is not None
+
+
+def test_create_newPlaceAndOrganizer(
+    client, app, utils: UtilActions, seeder: Seeder, mocker
+):
     user_id, admin_unit_id = seeder.setup_base()
 
     url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
@@ -174,7 +270,7 @@ def test_create_newPlaceAndOrganizer(client, app, utils, seeder, mocker):
         assert event is not None
 
 
-def test_create_missingName(client, app, utils, seeder, mocker):
+def test_create_missingName(client, app, utils: UtilActions, seeder: Seeder, mocker):
     user_id, admin_unit_id = seeder.setup_base()
 
     url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
@@ -189,7 +285,7 @@ def test_create_missingName(client, app, utils, seeder, mocker):
     utils.assert_response_error_message(response)
 
 
-def test_create_missingPlace(client, app, utils, seeder, mocker):
+def test_create_missingPlace(client, app, utils: UtilActions, seeder: Seeder, mocker):
     user_id, admin_unit_id = seeder.setup_base()
 
     url = utils.get_url("event_create_for_admin_unit_id", id=admin_unit_id)
@@ -208,7 +304,9 @@ def test_create_missingPlace(client, app, utils, seeder, mocker):
     utils.assert_response_error_message(response)
 
 
-def test_create_missingOrganizer(client, app, utils, seeder, mocker):
+def test_create_missingOrganizer(
+    client, app, utils: UtilActions, seeder: Seeder, mocker
+):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
 
@@ -229,7 +327,9 @@ def test_create_missingOrganizer(client, app, utils, seeder, mocker):
     utils.assert_response_error_message(response)
 
 
-def test_create_invalidOrganizer(client, app, utils, seeder, mocker):
+def test_create_invalidOrganizer(
+    client, app, utils: UtilActions, seeder: Seeder, mocker
+):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
     organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
@@ -254,7 +354,9 @@ def test_create_invalidOrganizer(client, app, utils, seeder, mocker):
     utils.assert_response_contains(response, "Ungültiger Mitveranstalter")
 
 
-def test_create_invalidDateFormat(client, app, utils, seeder, mocker):
+def test_create_invalidDateFormat(
+    client, app, utils: UtilActions, seeder: Seeder, mocker
+):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
 
@@ -275,7 +377,7 @@ def test_create_invalidDateFormat(client, app, utils, seeder, mocker):
     utils.assert_response_error_message(response)
 
 
-def test_create_startInvalid(client, app, utils, seeder, mocker):
+def test_create_startInvalid(client, app, utils: UtilActions, seeder: Seeder, mocker):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
 
@@ -296,7 +398,7 @@ def test_create_startInvalid(client, app, utils, seeder, mocker):
     utils.assert_response_error_message(response)
 
 
-def test_create_startAfterEnd(client, app, utils, seeder, mocker):
+def test_create_startAfterEnd(client, app, utils: UtilActions, seeder: Seeder, mocker):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
     organizer_id = seeder.upsert_default_event_organizer(admin_unit_id)
@@ -322,7 +424,9 @@ def test_create_startAfterEnd(client, app, utils, seeder, mocker):
     )
 
 
-def test_create_durationMoreThanMaxAllowedDuration(client, app, utils, seeder, mocker):
+def test_create_durationMoreThanMaxAllowedDuration(
+    client, app, utils: UtilActions, seeder: Seeder, mocker
+):
     user_id, admin_unit_id = seeder.setup_base()
     place_id = seeder.upsert_default_event_place(admin_unit_id)
 
@@ -347,7 +451,7 @@ def test_create_durationMoreThanMaxAllowedDuration(client, app, utils, seeder, m
 
 
 @pytest.mark.parametrize("allday", [True, False])
-def test_duplicate(client, app, utils, seeder, mocker, allday):
+def test_duplicate(client, app, utils: UtilActions, seeder: Seeder, mocker, allday):
     user_id, admin_unit_id = seeder.setup_base()
     template_event_id = seeder.create_event(admin_unit_id, allday=allday)
 
@@ -380,7 +484,7 @@ def test_duplicate(client, app, utils, seeder, mocker, allday):
 @pytest.mark.parametrize("free_text", [True, False])
 @pytest.mark.parametrize("allday", [True, False])
 def test_create_fromSuggestion(
-    client, app, db, utils, seeder, mocker, free_text, allday
+    client, app, db, utils: UtilActions, seeder: Seeder, mocker, free_text, allday
 ):
     user_id, admin_unit_id = seeder.setup_base()
     suggestion_id = seeder.create_event_suggestion(admin_unit_id, free_text, allday)
@@ -413,7 +517,7 @@ def test_create_fromSuggestion(
 
 
 def test_create_verifiedSuggestionRedirectsToReviewStatus(
-    client, app, utils, seeder, mocker
+    client, app, utils: UtilActions, seeder: Seeder, mocker
 ):
     user_id, admin_unit_id = seeder.setup_base()
     suggestion_id = seeder.create_event_suggestion(admin_unit_id)