diff --git a/messages.pot b/messages.pot
index cdef2cc..7389fb6 100644
--- a/messages.pot
+++ b/messages.pot
@@ -1,14 +1,14 @@
 # Translations template for PROJECT.
-# Copyright (C) 2023 ORGANIZATION
+# Copyright (C) 2024 ORGANIZATION
 # This file is distributed under the same license as the PROJECT project.
-# FIRST AUTHOR <EMAIL@ADDRESS>, 2023.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2024.
 #
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-11-13 17:25+0100\n"
+"POT-Creation-Date: 2024-02-10 17:55+0100\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"
@@ -17,183 +17,183 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.12.1\n"
 
-#: project/i10n.py:32
+#: project/i10n.py:36
 msgid "Event_Art"
 msgstr ""
 
-#: project/i10n.py:33
+#: project/i10n.py:37
 msgid "Event_Book"
 msgstr ""
 
-#: project/i10n.py:34
+#: project/i10n.py:38
 msgid "Event_Movie"
 msgstr ""
 
-#: project/i10n.py:35
+#: project/i10n.py:39
 msgid "Event_Family"
 msgstr ""
 
-#: project/i10n.py:36
+#: project/i10n.py:40
 msgid "Event_Festival"
 msgstr ""
 
-#: project/i10n.py:37
+#: project/i10n.py:41
 msgid "Event_Religious"
 msgstr ""
 
-#: project/i10n.py:38
+#: project/i10n.py:42
 msgid "Event_Shopping"
 msgstr ""
 
-#: project/i10n.py:39
+#: project/i10n.py:43
 msgid "Event_Comedy"
 msgstr ""
 
-#: project/i10n.py:40
+#: project/i10n.py:44
 msgid "Event_Music"
 msgstr ""
 
-#: project/i10n.py:41
+#: project/i10n.py:45
 msgid "Event_Dance"
 msgstr ""
 
-#: project/i10n.py:42
+#: project/i10n.py:46
 msgid "Event_Nightlife"
 msgstr ""
 
-#: project/i10n.py:43
+#: project/i10n.py:47
 msgid "Event_Theater"
 msgstr ""
 
-#: project/i10n.py:44
+#: project/i10n.py:48
 msgid "Event_Dining"
 msgstr ""
 
-#: project/i10n.py:45
+#: project/i10n.py:49
 msgid "Event_Conference"
 msgstr ""
 
-#: project/i10n.py:46
+#: project/i10n.py:50
 msgid "Event_Meetup"
 msgstr ""
 
-#: project/i10n.py:47
+#: project/i10n.py:51
 msgid "Event_Fitness"
 msgstr ""
 
-#: project/i10n.py:48
+#: project/i10n.py:52
 msgid "Event_Sports"
 msgstr ""
 
-#: project/i10n.py:49
+#: project/i10n.py:53
 msgid "Event_Other"
 msgstr ""
 
-#: project/i10n.py:50
+#: project/i10n.py:54
 msgid "Event_Exhibition"
 msgstr ""
 
-#: project/i10n.py:51
+#: project/i10n.py:55
 msgid "Event_Culture"
 msgstr ""
 
-#: project/i10n.py:52
+#: project/i10n.py:56
 msgid "Event_Tour"
 msgstr ""
 
-#: project/i10n.py:53
+#: project/i10n.py:57
 msgid "Event_OpenAir"
 msgstr ""
 
-#: project/i10n.py:54
+#: project/i10n.py:58
 msgid "Event_Stage"
 msgstr ""
 
-#: project/i10n.py:55
+#: project/i10n.py:59
 msgid "Event_Lecture"
 msgstr ""
 
-#: project/i10n.py:56
+#: project/i10n.py:60
 msgid "Typical Age range"
 msgstr ""
 
-#: project/i10n.py:57
+#: project/i10n.py:61
 msgid "Administrator"
 msgstr ""
 
-#: project/i10n.py:58
+#: project/i10n.py:62
 msgid "Event expert"
 msgstr ""
 
-#: project/i10n.py:59
+#: project/i10n.py:63
 msgid "EventReviewStatus.inbox"
 msgstr ""
 
-#: project/i10n.py:60
+#: project/i10n.py:64
 msgid "EventReviewStatus.verified"
 msgstr ""
 
-#: project/i10n.py:61
+#: project/i10n.py:65
 msgid "EventReviewStatus.rejected"
 msgstr ""
 
-#: project/i10n.py:62
+#: project/i10n.py:66
 msgid "Scope_openid"
 msgstr ""
 
-#: project/i10n.py:63
+#: project/i10n.py:67
 msgid "Scope_profile"
 msgstr ""
 
-#: project/i10n.py:64
+#: project/i10n.py:68
 msgid "Scope_user:read"
 msgstr ""
 
-#: project/i10n.py:65
+#: project/i10n.py:69
 msgid "Scope_user:write"
 msgstr ""
 
-#: project/i10n.py:66
+#: project/i10n.py:70
 msgid "Scope_organizer:write"
 msgstr ""
 
-#: project/i10n.py:67
+#: project/i10n.py:71
 msgid "Scope_place:write"
 msgstr ""
 
-#: project/i10n.py:68
+#: project/i10n.py:72
 msgid "Scope_event:write"
 msgstr ""
 
-#: project/i10n.py:69
+#: project/i10n.py:73
 msgid "Scope_eventlist:write"
 msgstr ""
 
-#: project/i10n.py:70
+#: project/i10n.py:74
 msgid "Scope_eventreference:write"
 msgstr ""
 
-#: project/i10n.py:71
+#: project/i10n.py:75
 msgid "Scope_organization:read"
 msgstr ""
 
-#: project/i10n.py:72
+#: project/i10n.py:76
 msgid "Scope_organization:write"
 msgstr ""
 
-#: project/i10n.py:73
+#: project/i10n.py:77
 msgid "Scope_customwidget:write"
 msgstr ""
 
-#: project/i10n.py:74
+#: project/i10n.py:78
 msgid "There must be no self-reference."
 msgstr ""
 
-#: project/utils.py:19
+#: project/utils.py:20
 msgid "Event_"
 msgstr ""
 
-#: project/utils.py:23
+#: project/utils.py:24
 msgid "."
 msgstr ""
 
@@ -201,64 +201,69 @@ msgstr ""
 msgid "message"
 msgstr ""
 
-#: project/forms/admin.py:11 project/templates/layout.html:344
+#: project/forms/admin.py:13 project/templates/layout.html:344
 #: project/views/root.py:55
 msgid "Terms of service"
 msgstr ""
 
-#: project/forms/admin.py:12 project/templates/layout.html:349
+#: project/forms/admin.py:14 project/templates/layout.html:349
 #: project/views/root.py:67
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1490
+#: project/forms/admin.py:15 project/templates/_macros.html:1490
 #: project/templates/layout.html:353
 #: project/templates/widget/event_suggestion/create.html:204
-#: project/views/admin_unit.py:84 project/views/root.py:75
+#: project/views/admin_unit.py:83 project/views/root.py:75
 msgid "Contact"
 msgstr ""
 
-#: project/forms/admin.py:14 project/templates/layout.html:357
+#: project/forms/admin.py:16 project/templates/layout.html:357
 #: project/views/root.py:83
 msgid "Privacy"
 msgstr ""
 
-#: project/forms/admin.py:15
+#: project/forms/admin.py:17
 msgid "Start page"
 msgstr ""
 
-#: project/forms/admin.py:16
+#: project/forms/admin.py:18
 msgid "Announcement"
 msgstr ""
 
-#: project/forms/admin.py:18 project/forms/oauth2_client.py:24
-#: project/forms/user.py:18 project/forms/user.py:32
+#: project/forms/admin.py:20 project/forms/admin.py:28
+#: project/forms/oauth2_client.py:24 project/forms/user.py:18
+#: project/forms/user.py:32
 msgid "Save"
 msgstr ""
 
-#: project/forms/admin.py:23
+#: project/forms/admin.py:25
+msgid "External calendars"
+msgstr ""
+
+#: project/forms/admin.py:49
 msgid "Reset for all users"
 msgstr ""
 
-#: project/forms/admin.py:25
+#: project/forms/admin.py:51
 msgid "Reset"
 msgstr ""
 
-#: project/forms/admin.py:29 project/forms/admin_unit_member.py:14
+#: project/forms/admin.py:55 project/forms/admin_unit_member.py:14
 #: project/forms/admin_unit_member.py:34
 msgid "Roles"
 msgstr ""
 
-#: project/forms/admin.py:30 project/templates/admin/update_user.html:4
+#: project/forms/admin.py:56 project/templates/admin/update_user.html:4
 #: project/templates/admin/update_user.html:8
 msgid "Update user"
 msgstr ""
 
-#: project/forms/admin.py:34 project/templates/admin/delete_user.html:6
+#: project/forms/admin.py:60 project/templates/admin/delete_user.html:6
 msgid "Delete user"
 msgstr ""
 
-#: project/forms/admin.py:35 project/forms/admin_unit.py:67
+#: project/forms/admin.py:61 project/forms/admin_unit.py:67
 #: 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:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
@@ -270,60 +275,60 @@ msgstr ""
 msgid "Email"
 msgstr ""
 
-#: project/forms/admin.py:40
+#: project/forms/admin.py:66
 msgid "Incoming reference requests allowed"
 msgstr ""
 
-#: project/forms/admin.py:41
+#: project/forms/admin.py:67
 msgid ""
 "If set, other organizations can ask this organization to reference their "
 "event."
 msgstr ""
 
-#: project/forms/admin.py:47
+#: project/forms/admin.py:73
 msgid "Suggestions enabled"
 msgstr ""
 
-#: project/forms/admin.py:48
+#: project/forms/admin.py:74
 msgid "If set, the organization can work with suggestions."
 msgstr ""
 
-#: project/forms/admin.py:52
+#: project/forms/admin.py:78
 msgid "Create other organizations"
 msgstr ""
 
-#: project/forms/admin.py:53
+#: project/forms/admin.py:79
 msgid "If set, members of the organization can create other organizations."
 msgstr ""
 
-#: project/forms/admin.py:59
+#: project/forms/admin.py:85
 msgid "Invite other organizations"
 msgstr ""
 
-#: project/forms/admin.py:60
+#: project/forms/admin.py:86
 msgid "If set, members of the organization can invite other organizations."
 msgstr ""
 
-#: project/forms/admin.py:66
+#: project/forms/admin.py:92
 msgid "Verify other organizations"
 msgstr ""
 
-#: project/forms/admin.py:67
+#: project/forms/admin.py:93
 msgid "If set, members of the organization can verify other organizations."
 msgstr ""
 
-#: project/forms/admin.py:72 project/templates/admin/update_admin_unit.html:4
+#: project/forms/admin.py:98 project/templates/admin/update_admin_unit.html:4
 #: project/templates/admin/update_admin_unit.html:8
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin.py:76 project/templates/admin/delete_admin_unit.html:6
+#: project/forms/admin.py:102 project/templates/admin/delete_admin_unit.html:6
 #: project/templates/admin_unit/request_deletion.html:6
 #: project/templates/admin_unit/update.html:113
 msgid "Delete organization"
 msgstr ""
 
-#: project/forms/admin.py:77 project/forms/admin_unit.py:166
+#: project/forms/admin.py:103 project/forms/admin_unit.py:166
 #: project/forms/admin_unit.py:171 project/forms/admin_unit.py:176
 #: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
@@ -339,27 +344,27 @@ msgstr ""
 msgid "Name"
 msgstr ""
 
-#: project/forms/admin.py:81 project/forms/admin.py:88
+#: project/forms/admin.py:107 project/forms/admin.py:114
 msgid "Recipient"
 msgstr ""
 
-#: project/forms/admin.py:83
+#: project/forms/admin.py:109
 msgid "Send test mail synchronously"
 msgstr ""
 
-#: project/forms/admin.py:90 project/forms/admin.py:96
+#: project/forms/admin.py:116 project/forms/admin.py:122
 msgid "Test recipient"
 msgstr ""
 
-#: project/forms/admin.py:91
+#: project/forms/admin.py:117
 msgid "All users with enabled newsletter setting"
 msgstr ""
 
-#: project/forms/admin.py:97
+#: project/forms/admin.py:123
 msgid "Message"
 msgstr ""
 
-#: project/forms/admin.py:98
+#: project/forms/admin.py:124
 msgid "Send newsletter"
 msgstr ""
 
@@ -660,8 +665,8 @@ msgstr ""
 
 #: project/forms/event.py:50
 msgid ""
-"Indicate when the event date will end. An event can last a maximum of 14 "
-"days."
+"Indicate when the event date will end. An event can last a maximum of 180"
+" days."
 msgstr ""
 
 #: project/forms/event.py:55
@@ -679,7 +684,7 @@ msgid "The start must be before the end."
 msgstr ""
 
 #: project/forms/event.py:72 project/templates/_macros.html:1364
-msgid "An event can last a maximum of 14 days."
+msgid "An event can last a maximum of 180 days."
 msgstr ""
 
 #: project/forms/event.py:108
@@ -1247,7 +1252,7 @@ msgstr ""
 msgid "Min. expected number of participants"
 msgstr ""
 
-#: project/forms/planning.py:50 project/templates/planning/list.html:98
+#: project/forms/planning.py:50 project/templates/planning/list.html:102
 msgid "Refresh"
 msgstr ""
 
@@ -1587,7 +1592,7 @@ msgstr ""
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1254 project/templates/planning/list.html:97
+#: project/templates/_macros.html:1254 project/templates/planning/list.html:101
 msgid "Close"
 msgstr ""
 
@@ -1677,7 +1682,7 @@ msgstr ""
 #: project/templates/manage/admin_units.html:28
 #: project/templates/manage/verification_requests_outgoing.html:13
 #: project/templates/manage/verification_requests_outgoing_create_select.html:13
-#: project/templates/planning/list.html:68
+#: project/templates/planning/list.html:72
 #: project/templates/security/login_user.html:21
 #: project/templates/security/register_user.html:43
 msgid "Docs"
@@ -1704,7 +1709,9 @@ msgstr ""
 msgid "Organizations"
 msgstr ""
 
-#: project/templates/layout.html:177
+#: project/templates/admin/admin.html:35
+#: project/templates/admin/planning.html:4
+#: project/templates/admin/planning.html:11 project/templates/layout.html:177
 msgid "Planning"
 msgstr ""
 
@@ -1712,7 +1719,8 @@ msgstr ""
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
-#: project/templates/profile.html:17
+#: project/templates/profile.html:17 project/templates/user/general.html:10
+#: project/templates/user/notifications.html:10
 msgid "Profile"
 msgstr ""
 
@@ -1720,6 +1728,7 @@ msgstr ""
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
 #: project/templates/admin/newsletter.html:92
+#: project/templates/admin/planning.html:10
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:194
 msgid "Admin"
@@ -1857,7 +1866,7 @@ msgstr ""
 msgid "Developer"
 msgstr ""
 
-#: project/templates/profile.html:12 project/views/admin_unit.py:90
+#: project/templates/profile.html:12 project/views/admin_unit.py:89
 #: project/views/admin_unit_member_invitation.py:39
 msgid "Your account is scheduled for deletion."
 msgstr ""
@@ -1868,13 +1877,13 @@ msgid "Delete account"
 msgstr ""
 
 #: project/templates/profile.html:36 project/templates/user/general.html:4
-#: project/templates/user/general.html:8
+#: project/templates/user/general.html:11
 msgid "General"
 msgstr ""
 
 #: project/templates/profile.html:40
 #: project/templates/user/notifications.html:4
-#: project/templates/user/notifications.html:8
+#: project/templates/user/notifications.html:11
 msgid "Notifications"
 msgstr ""
 
@@ -1920,7 +1929,7 @@ msgstr ""
 msgid "User"
 msgstr ""
 
-#: project/templates/admin/email.html:47 project/views/admin.py:163
+#: project/templates/admin/email.html:47 project/views/admin.py:164
 msgid "Mail sent successfully"
 msgstr ""
 
@@ -2349,7 +2358,7 @@ msgstr ""
 msgid "Member"
 msgstr ""
 
-#: project/templates/manage/events.html:42 project/views/admin_unit.py:143
+#: project/templates/manage/events.html:42 project/views/admin_unit.py:142
 msgid ""
 "The organization is not verified. Events are therefore not publicly "
 "visible."
@@ -2483,11 +2492,11 @@ msgid "Revoke"
 msgstr ""
 
 #: project/templates/planning/list.html:5
-#: project/templates/planning/list.html:66
+#: project/templates/planning/list.html:70
 msgid "Event Planning"
 msgstr ""
 
-#: project/templates/planning/list.html:76
+#: project/templates/planning/list.html:80
 msgid "Filters"
 msgstr ""
 
@@ -2607,48 +2616,49 @@ msgstr ""
 msgid "Preview"
 msgstr ""
 
-#: project/views/admin.py:63
+#: project/views/admin.py:64
 msgid "Organization successfully updated"
 msgstr ""
 
-#: project/views/admin.py:85 project/views/admin_unit.py:208
-#: project/views/admin_unit.py:241 project/views/manage.py:315
+#: project/views/admin.py:86 project/views/admin_unit.py:207
+#: project/views/admin_unit.py:240 project/views/manage.py:315
 #: project/views/verification_request.py:169
 msgid "Entered name does not match organization name"
 msgstr ""
 
-#: project/views/admin.py:89
+#: project/views/admin.py:90
 msgid "Organization successfully deleted"
 msgstr ""
 
-#: project/views/admin.py:133 project/views/manage.py:485
-#: project/views/user.py:64 project/views/user.py:83
+#: project/views/admin.py:134 project/views/admin.py:280
+#: project/views/manage.py:485 project/views/user.py:64
+#: project/views/user.py:83
 msgid "Settings successfully updated"
 msgstr ""
 
-#: project/views/admin.py:233
+#: project/views/admin.py:234
 msgid "User successfully updated"
 msgstr ""
 
-#: project/views/admin.py:253
+#: project/views/admin.py:254
 msgid "Entered email does not match user email"
 msgstr ""
 
-#: project/views/admin.py:257
+#: project/views/admin.py:258
 msgid "User successfully deleted"
 msgstr ""
 
-#: project/views/admin_unit.py:80
+#: project/views/admin_unit.py:79
 msgid ""
 "Organizations cannot currently be created. The project is in a closed "
 "test phase. If you are interested, you can contact us."
 msgstr ""
 
-#: project/views/admin_unit.py:134
+#: project/views/admin_unit.py:133
 msgid "Organization successfully created"
 msgstr ""
 
-#: project/views/admin_unit.py:184
+#: project/views/admin_unit.py:183
 msgid "AdminUnit successfully updated"
 msgstr ""
 
@@ -2684,23 +2694,23 @@ msgstr ""
 msgid "Invitation successfully deleted"
 msgstr ""
 
-#: project/views/event.py:209
+#: project/views/event.py:211
 msgid "Event successfully published"
 msgstr ""
 
-#: project/views/event.py:211
+#: project/views/event.py:213
 msgid "Draft successfully saved"
 msgstr ""
 
-#: project/views/event.py:213
+#: project/views/event.py:215
 msgid "Event successfully planned"
 msgstr ""
 
-#: project/views/event.py:273
+#: project/views/event.py:275
 msgid "Event successfully updated"
 msgstr ""
 
-#: project/views/event.py:299
+#: project/views/event.py:301
 msgid "Event successfully deleted"
 msgstr ""
 
@@ -2724,31 +2734,31 @@ msgstr ""
 msgid "Event suggestion successfully rejected"
 msgstr ""
 
-#: project/views/js.py:33
+#: project/views/js.py:41
 msgid "Short name is already taken"
 msgstr ""
 
-#: project/views/js.py:52
+#: project/views/js.py:60
 msgid "Name is already taken"
 msgstr ""
 
-#: project/views/js.py:76
+#: project/views/js.py:84
 msgid "A place already exists with this name."
 msgstr ""
 
-#: project/views/js.py:100
+#: project/views/js.py:108
 msgid "An organizer already exists with this name."
 msgstr ""
 
-#: project/views/js.py:114
+#: project/views/js.py:122
 msgid "An account already exists with this email."
 msgstr ""
 
-#: project/views/js.py:158
+#: project/views/js.py:166
 msgid "Places of organization"
 msgstr ""
 
-#: project/views/js.py:166
+#: project/views/js.py:174
 msgid "Places of Google Maps"
 msgstr ""
 
@@ -2812,12 +2822,12 @@ msgstr ""
 msgid "Reference successfully deleted"
 msgstr ""
 
-#: project/views/reference_request.py:145
+#: project/views/reference_request.py:141
 #, python-format
 msgid "%(organization)s accepted your reference request"
 msgstr ""
 
-#: project/views/reference_request.py:152
+#: project/views/reference_request.py:148
 #, python-format
 msgid ""
 "Reference request to %(organization)s successfully created. You will be "
@@ -2931,7 +2941,7 @@ msgstr ""
 msgid "You do not have permission for this action"
 msgstr ""
 
-#: project/views/utils.py:382
+#: project/views/utils.py:386
 msgid ""
 "The invitation was issued to another user. Sign in with the email address"
 " the invitation was sent to."
diff --git a/project/api/event_date_definition/schemas.py b/project/api/event_date_definition/schemas.py
index 4bb5da5..daf825c 100644
--- a/project/api/event_date_definition/schemas.py
+++ b/project/api/event_date_definition/schemas.py
@@ -32,7 +32,7 @@ class EventDateDefinitionBaseSchemaMixin(object):
     )
     end = CustomDateTimeField(
         metadata={
-            "description": "When the event will end. An event can last a maximum of 14 days. If the event takes place regularly, enter when the first date will end."
+            "description": "When the event will end. An event can last a maximum of 180 days. If the event takes place regularly, enter when the first date will end."
         },
     )
     allday = fields.Bool(
diff --git a/project/forms/event.py b/project/forms/event.py
index 2986a30..247a75c 100644
--- a/project/forms/event.py
+++ b/project/forms/event.py
@@ -48,7 +48,7 @@ class EventDateDefinitionFormMixin:
         lazy_gettext("End"),
         validators=[Optional()],
         description=lazy_gettext(
-            "Indicate when the event date will end. An event can last a maximum of 14 days."
+            "Indicate when the event date will end. An event can last a maximum of 180 days."
         ),
     )
     allday = BooleanField(
@@ -67,9 +67,9 @@ class EventDateDefinitionFormMixin:
                 self.start.errors.append(msg)
                 return False
 
-            max_end = self.start.data + relativedelta(days=14)
+            max_end = self.start.data + relativedelta(days=180)
             if self.end.data > max_end:
-                msg = gettext("An event can last a maximum of 14 days.")
+                msg = gettext("An event can last a maximum of 180 days.")
                 self.end.errors.append(msg)
                 return False
         return True
diff --git a/project/models/event_date.py b/project/models/event_date.py
index e2adb73..866c9fc 100644
--- a/project/models/event_date.py
+++ b/project/models/event_date.py
@@ -46,9 +46,9 @@ class EventDateDefinition(db.Model):
             if self.start > self.end:
                 raise make_check_violation("The start must be before the end.")
 
-            max_end = self.start + relativedelta(days=14)
+            max_end = self.start + relativedelta(days=180)
             if self.end > max_end:
-                raise make_check_violation("An event can last a maximum of 14 days.")
+                raise make_check_violation("An event can last a maximum of 180 days.")
 
 
 @listens_for(EventDateDefinition, "before_insert")
diff --git a/project/templates/_macros.html b/project/templates/_macros.html
index 3253c88..122d97a 100644
--- a/project/templates/_macros.html
+++ b/project/templates/_macros.html
@@ -1361,7 +1361,7 @@ if (URL) {
     var end = get_moment_with_time(end_id);
     var max = start.add(14, 'day');
     return end <= max;
-  }, jQuery.validator.format("{{ _('An event can last a maximum of 14 days.') }}"));
+  }, jQuery.validator.format("{{ _('An event can last a maximum of 180 days.') }}"));
 
   $.validator.addMethod( "time", function( value, element ) {
     return this.optional( element ) || /^([01]\d|2[0-3]|[0-9])(:[0-5]\d){1,2}$/.test( value );
@@ -1855,7 +1855,7 @@ $('#allday').on('change', function() {
   <div class="card-body">
     <div id="{{ date_definition.id }}-single-event-container">
       {{ date_definition.form.hidden_tag() }}
-      {{ render_field_with_errors(date_definition.form.start, **{"data-range-to":"#"+date_definition.form.end.id, "data-range-max-days": "14", "data-allday": "#"+date_definition.form.allday.id}) }}
+      {{ render_field_with_errors(date_definition.form.start, **{"data-range-to":"#"+date_definition.form.end.id, "data-range-max-days": "180", "data-allday": "#"+date_definition.form.allday.id}) }}
       {{ render_field_with_errors(date_definition.form.end, is_collapsible=1) }}
       {{ render_field_with_errors(date_definition.form.allday, ri="checkbox") }}
 
diff --git a/project/templates/admin/delete_admin_unit.html b/project/templates/admin/delete_admin_unit.html
index b1d5fda..87bc55e 100644
--- a/project/templates/admin/delete_admin_unit.html
+++ b/project/templates/admin/delete_admin_unit.html
@@ -13,7 +13,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/admin_unit/cancel_deletion.html b/project/templates/admin_unit/cancel_deletion.html
index a3006dd..856f64a 100644
--- a/project/templates/admin_unit/cancel_deletion.html
+++ b/project/templates/admin_unit/cancel_deletion.html
@@ -13,7 +13,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/admin_unit/create.html b/project/templates/admin_unit/create.html
index 230ceaa..16a5520 100644
--- a/project/templates/admin_unit/create.html
+++ b/project/templates/admin_unit/create.html
@@ -27,7 +27,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
       {{ render_field_with_errors(form.short_name) }}
       {{ render_field_with_errors(form.description) }}
     </div>
diff --git a/project/templates/admin_unit/request_deletion.html b/project/templates/admin_unit/request_deletion.html
index 7f4ee93..ac72945 100644
--- a/project/templates/admin_unit/request_deletion.html
+++ b/project/templates/admin_unit/request_deletion.html
@@ -15,7 +15,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/admin_unit/update.html b/project/templates/admin_unit/update.html
index 650ddf1..573e455 100644
--- a/project/templates/admin_unit/update.html
+++ b/project/templates/admin_unit/update.html
@@ -54,7 +54,7 @@ $( function() {
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
       {{ render_field_with_errors(form.short_name) }}
       {{ render_field_with_errors(form.description) }}
     </div>
diff --git a/project/templates/event/create.html b/project/templates/event/create.html
index f6bccf5..80b1264 100644
--- a/project/templates/event/create.html
+++ b/project/templates/event/create.html
@@ -248,7 +248,7 @@ $( function() {
       {{ _('Event') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
       {{ render_field_with_errors(form.description, style="min-height:10rem;") }}
     </div>
   </div>
diff --git a/project/templates/event/update.html b/project/templates/event/update.html
index 7ec5cce..ef50c7c 100644
--- a/project/templates/event/update.html
+++ b/project/templates/event/update.html
@@ -134,7 +134,7 @@
       {{ _('Event') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
       {{ render_field_with_errors(form.description) }}
     </div>
   </div>
diff --git a/project/templates/event_place/create.html b/project/templates/event_place/create.html
index 4816e70..c2063ba 100644
--- a/project/templates/event_place/create.html
+++ b/project/templates/event_place/create.html
@@ -32,7 +32,7 @@
       {{ _('Place') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/event_place/delete.html b/project/templates/event_place/delete.html
index 3b6b2d1..f8568b4 100644
--- a/project/templates/event_place/delete.html
+++ b/project/templates/event_place/delete.html
@@ -13,7 +13,7 @@
       {{ _('Place') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/event_place/update.html b/project/templates/event_place/update.html
index 3c5c595..407c7f1 100644
--- a/project/templates/event_place/update.html
+++ b/project/templates/event_place/update.html
@@ -32,7 +32,7 @@
       {{ _('Place') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/manage/delete_membership.html b/project/templates/manage/delete_membership.html
index da85975..6f72da5 100644
--- a/project/templates/manage/delete_membership.html
+++ b/project/templates/manage/delete_membership.html
@@ -13,7 +13,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/oauth2_client/delete.html b/project/templates/oauth2_client/delete.html
index 890b13b..20a8b55 100644
--- a/project/templates/oauth2_client/delete.html
+++ b/project/templates/oauth2_client/delete.html
@@ -13,7 +13,7 @@
       {{ _('OAuth2 client') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/organizer/create.html b/project/templates/organizer/create.html
index 7d0ff0d..a7a8d81 100644
--- a/project/templates/organizer/create.html
+++ b/project/templates/organizer/create.html
@@ -28,7 +28,7 @@
       {{ _('Organizer') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/organizer/delete.html b/project/templates/organizer/delete.html
index b38c343..f203925 100644
--- a/project/templates/organizer/delete.html
+++ b/project/templates/organizer/delete.html
@@ -13,7 +13,7 @@
       {{ _('Organizer') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/organizer/update.html b/project/templates/organizer/update.html
index 192de08..efdb231 100644
--- a/project/templates/organizer/update.html
+++ b/project/templates/organizer/update.html
@@ -28,7 +28,7 @@
       {{ _('Organizer') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/verification_request/delete.html b/project/templates/verification_request/delete.html
index dddaa51..e27482b 100644
--- a/project/templates/verification_request/delete.html
+++ b/project/templates/verification_request/delete.html
@@ -13,7 +13,7 @@
       {{ _('Organization') }}
     </div>
     <div class="card-body">
-      {{ render_field_with_errors(form.name) }}
+      {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
     </div>
   </div>
 
diff --git a/project/templates/widget/event_suggestion/create.html b/project/templates/widget/event_suggestion/create.html
index 428874c..a9e0d31 100644
--- a/project/templates/widget/event_suggestion/create.html
+++ b/project/templates/widget/event_suggestion/create.html
@@ -229,12 +229,12 @@
         {{ _('Event') }}
       </div>
       <div class="card-body">
-        {{ render_field_with_errors(form.name) }}
+        {{ render_field_with_errors(form.name, role="presentation", autocomplete="off") }}
         {{ render_field_with_errors(form.event_place_id, class="w-100") }}
         {{ render_field_with_errors(form.organizer_id, class="w-100") }}
 
         <div id="single-event-container" class="mb-3">
-          {{ render_field_with_errors(form.start, **{"data-range-to":"#end", "data-range-max-days": "14", "data-allday": "#allday"}) }}
+          {{ render_field_with_errors(form.start, **{"data-range-to":"#end", "data-range-max-days": "180", "data-allday": "#allday"}) }}
           {{ render_field_with_errors(form.allday, ri="checkbox") }}
           {{ render_field_with_errors(form.end, is_collapsible=1) }}
           <button type="button" id="recc-button" class="btn btn-outline-secondary"><i class="fas fa-history"></i> {{ _('Recurring event') }}</button>
diff --git a/project/translations/de/LC_MESSAGES/messages.mo b/project/translations/de/LC_MESSAGES/messages.mo
index 69d5983..90ece40 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 077b19e..3d1f2a2 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: 2023-11-13 17:25+0100\n"
+"POT-Creation-Date: 2024-02-10 17:55+0100\n"
 "PO-Revision-Date: 2020-06-07 18:51+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de\n"
@@ -18,183 +18,183 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.12.1\n"
 
-#: project/i10n.py:32
+#: project/i10n.py:36
 msgid "Event_Art"
 msgstr "Kunst"
 
-#: project/i10n.py:33
+#: project/i10n.py:37
 msgid "Event_Book"
 msgstr "Literatur"
 
-#: project/i10n.py:34
+#: project/i10n.py:38
 msgid "Event_Movie"
 msgstr "Film"
 
-#: project/i10n.py:35
+#: project/i10n.py:39
 msgid "Event_Family"
 msgstr "Familie"
 
-#: project/i10n.py:36
+#: project/i10n.py:40
 msgid "Event_Festival"
 msgstr "Festival"
 
-#: project/i10n.py:37
+#: project/i10n.py:41
 msgid "Event_Religious"
 msgstr "Religion"
 
-#: project/i10n.py:38
+#: project/i10n.py:42
 msgid "Event_Shopping"
 msgstr "Shopping"
 
-#: project/i10n.py:39
+#: project/i10n.py:43
 msgid "Event_Comedy"
 msgstr "Comedy"
 
-#: project/i10n.py:40
+#: project/i10n.py:44
 msgid "Event_Music"
 msgstr "Musik"
 
-#: project/i10n.py:41
+#: project/i10n.py:45
 msgid "Event_Dance"
 msgstr "Tanz"
 
-#: project/i10n.py:42
+#: project/i10n.py:46
 msgid "Event_Nightlife"
 msgstr "Party"
 
-#: project/i10n.py:43
+#: project/i10n.py:47
 msgid "Event_Theater"
 msgstr "Theater"
 
-#: project/i10n.py:44
+#: project/i10n.py:48
 msgid "Event_Dining"
 msgstr "Essen"
 
-#: project/i10n.py:45
+#: project/i10n.py:49
 msgid "Event_Conference"
 msgstr "Konferenz"
 
-#: project/i10n.py:46
+#: project/i10n.py:50
 msgid "Event_Meetup"
 msgstr "Networking"
 
-#: project/i10n.py:47
+#: project/i10n.py:51
 msgid "Event_Fitness"
 msgstr "Fitness"
 
-#: project/i10n.py:48
+#: project/i10n.py:52
 msgid "Event_Sports"
 msgstr "Sport"
 
-#: project/i10n.py:49
+#: project/i10n.py:53
 msgid "Event_Other"
 msgstr "Sonstiges"
 
-#: project/i10n.py:50
+#: project/i10n.py:54
 msgid "Event_Exhibition"
 msgstr "Ausstellung"
 
-#: project/i10n.py:51
+#: project/i10n.py:55
 msgid "Event_Culture"
 msgstr "Kultur"
 
-#: project/i10n.py:52
+#: project/i10n.py:56
 msgid "Event_Tour"
 msgstr "Führung"
 
-#: project/i10n.py:53
+#: project/i10n.py:57
 msgid "Event_OpenAir"
 msgstr "Open Air"
 
-#: project/i10n.py:54
+#: project/i10n.py:58
 msgid "Event_Stage"
 msgstr "Bühne"
 
-#: project/i10n.py:55
+#: project/i10n.py:59
 msgid "Event_Lecture"
 msgstr "Vortrag"
 
-#: project/i10n.py:56
+#: project/i10n.py:60
 msgid "Typical Age range"
 msgstr "Typische Altersspanne"
 
-#: project/i10n.py:57
+#: project/i10n.py:61
 msgid "Administrator"
 msgstr "Administrator:in"
 
-#: project/i10n.py:58
+#: project/i10n.py:62
 msgid "Event expert"
 msgstr "Veranstaltungsexpert:in"
 
-#: project/i10n.py:59
+#: project/i10n.py:63
 msgid "EventReviewStatus.inbox"
 msgstr "Ungeprüft"
 
-#: project/i10n.py:60
+#: project/i10n.py:64
 msgid "EventReviewStatus.verified"
 msgstr "Verifiziert"
 
-#: project/i10n.py:61
+#: project/i10n.py:65
 msgid "EventReviewStatus.rejected"
 msgstr "Abgelehnt"
 
-#: project/i10n.py:62
+#: project/i10n.py:66
 msgid "Scope_openid"
 msgstr "Identität verifizieren"
 
-#: project/i10n.py:63
+#: project/i10n.py:67
 msgid "Scope_profile"
 msgstr "Profil-Informationen"
 
-#: project/i10n.py:64
+#: project/i10n.py:68
 msgid "Scope_user:read"
 msgstr "Nutzer-Einstellungen lesen"
 
-#: project/i10n.py:65
+#: project/i10n.py:69
 msgid "Scope_user:write"
 msgstr "Nutzer-Einstellungen anlegen, ändern und löschen"
 
-#: project/i10n.py:66
+#: project/i10n.py:70
 msgid "Scope_organizer:write"
 msgstr "Veranstalter anlegen, ändern und löschen"
 
-#: project/i10n.py:67
+#: project/i10n.py:71
 msgid "Scope_place:write"
 msgstr "Orte anlegen, ändern und löschen"
 
-#: project/i10n.py:68
+#: project/i10n.py:72
 msgid "Scope_event:write"
 msgstr "Veranstaltungen anlegen, ändern und löschen"
 
-#: project/i10n.py:69
+#: project/i10n.py:73
 msgid "Scope_eventlist:write"
 msgstr "Veranstaltungslisten anlegen, ändern und löschen"
 
-#: project/i10n.py:70
+#: project/i10n.py:74
 msgid "Scope_eventreference:write"
 msgstr "Empfehlungen anlegen, ändern und löschen"
 
-#: project/i10n.py:71
+#: project/i10n.py:75
 msgid "Scope_organization:read"
 msgstr "Organisationen lesen"
 
-#: project/i10n.py:72
+#: project/i10n.py:76
 msgid "Scope_organization:write"
 msgstr "Organisationen anlegen, ändern und löschen"
 
-#: project/i10n.py:73
+#: project/i10n.py:77
 msgid "Scope_customwidget:write"
 msgstr "Widgets anlegen, ändern und löschen"
 
-#: project/i10n.py:74
+#: project/i10n.py:78
 msgid "There must be no self-reference."
 msgstr "Es darf keine Selbstreferenz geben."
 
-#: project/utils.py:19
+#: project/utils.py:20
 msgid "Event_"
 msgstr "Event_"
 
-#: project/utils.py:23
+#: project/utils.py:24
 msgid "."
 msgstr "."
 
@@ -202,64 +202,69 @@ msgstr "."
 msgid "message"
 msgstr "message"
 
-#: project/forms/admin.py:11 project/templates/layout.html:344
+#: project/forms/admin.py:13 project/templates/layout.html:344
 #: project/views/root.py:55
 msgid "Terms of service"
 msgstr "Nutzungsbedingungen"
 
-#: project/forms/admin.py:12 project/templates/layout.html:349
+#: project/forms/admin.py:14 project/templates/layout.html:349
 #: project/views/root.py:67
 msgid "Legal notice"
 msgstr "Impressum"
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1490
+#: project/forms/admin.py:15 project/templates/_macros.html:1490
 #: project/templates/layout.html:353
 #: project/templates/widget/event_suggestion/create.html:204
-#: project/views/admin_unit.py:84 project/views/root.py:75
+#: project/views/admin_unit.py:83 project/views/root.py:75
 msgid "Contact"
 msgstr "Kontakt"
 
-#: project/forms/admin.py:14 project/templates/layout.html:357
+#: project/forms/admin.py:16 project/templates/layout.html:357
 #: project/views/root.py:83
 msgid "Privacy"
 msgstr "Datenschutz"
 
-#: project/forms/admin.py:15
+#: project/forms/admin.py:17
 msgid "Start page"
 msgstr "Startseite"
 
-#: project/forms/admin.py:16
+#: project/forms/admin.py:18
 msgid "Announcement"
 msgstr "Ankündigung"
 
-#: project/forms/admin.py:18 project/forms/oauth2_client.py:24
-#: project/forms/user.py:18 project/forms/user.py:32
+#: project/forms/admin.py:20 project/forms/admin.py:28
+#: project/forms/oauth2_client.py:24 project/forms/user.py:18
+#: project/forms/user.py:32
 msgid "Save"
 msgstr "Speichern"
 
-#: project/forms/admin.py:23
+#: project/forms/admin.py:25
+msgid "External calendars"
+msgstr "Externe Kalender"
+
+#: project/forms/admin.py:49
 msgid "Reset for all users"
 msgstr "Für alle Nutzer zurücksetzen"
 
-#: project/forms/admin.py:25
+#: project/forms/admin.py:51
 msgid "Reset"
 msgstr "Zurücksetzen"
 
-#: project/forms/admin.py:29 project/forms/admin_unit_member.py:14
+#: project/forms/admin.py:55 project/forms/admin_unit_member.py:14
 #: project/forms/admin_unit_member.py:34
 msgid "Roles"
 msgstr "Rollen"
 
-#: project/forms/admin.py:30 project/templates/admin/update_user.html:4
+#: project/forms/admin.py:56 project/templates/admin/update_user.html:4
 #: project/templates/admin/update_user.html:8
 msgid "Update user"
 msgstr "Nutzer aktualisieren"
 
-#: project/forms/admin.py:34 project/templates/admin/delete_user.html:6
+#: project/forms/admin.py:60 project/templates/admin/delete_user.html:6
 msgid "Delete user"
 msgstr "Nutzer löschen"
 
-#: project/forms/admin.py:35 project/forms/admin_unit.py:67
+#: project/forms/admin.py:61 project/forms/admin_unit.py:67
 #: 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:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
@@ -271,11 +276,11 @@ msgstr "Nutzer löschen"
 msgid "Email"
 msgstr "Email"
 
-#: project/forms/admin.py:40
+#: project/forms/admin.py:66
 msgid "Incoming reference requests allowed"
 msgstr "Eingehende Empfehlungsanfragen erlauben"
 
-#: project/forms/admin.py:41
+#: project/forms/admin.py:67
 msgid ""
 "If set, other organizations can ask this organization to reference their "
 "event."
@@ -283,56 +288,56 @@ msgstr ""
 "Wenn gesetzt, können andere Organisationen diese Organisation bitten, "
 "deren Veranstaltungen zu empfehlen."
 
-#: project/forms/admin.py:47
+#: project/forms/admin.py:73
 msgid "Suggestions enabled"
 msgstr "Vorschläge aktiv"
 
-#: project/forms/admin.py:48
+#: project/forms/admin.py:74
 msgid "If set, the organization can work with suggestions."
 msgstr "Wenn gesetzt, kann die Organisation mit Vorschlägen arbeiten."
 
-#: project/forms/admin.py:52
+#: project/forms/admin.py:78
 msgid "Create other organizations"
 msgstr "Andere Organisationen erstellen"
 
-#: project/forms/admin.py:53
+#: project/forms/admin.py:79
 msgid "If set, members of the organization can create other organizations."
 msgstr ""
 "Wenn gesetzt, können Mitglieder der Organisation andere Organisationen "
 "erstellen."
 
-#: project/forms/admin.py:59
+#: project/forms/admin.py:85
 msgid "Invite other organizations"
 msgstr "Andere Organisationen einladen"
 
-#: project/forms/admin.py:60
+#: project/forms/admin.py:86
 msgid "If set, members of the organization can invite other organizations."
 msgstr ""
 "Wenn gesetzt, können Mitglieder der Organisation andere Organisationen "
 "einladen."
 
-#: project/forms/admin.py:66
+#: project/forms/admin.py:92
 msgid "Verify other organizations"
 msgstr "Andere Organisationen verifizieren"
 
-#: project/forms/admin.py:67
+#: project/forms/admin.py:93
 msgid "If set, members of the organization can verify other organizations."
 msgstr ""
 "Wenn gesetzt, können Mitglieder der Organisation andere Organisationen "
 "verifizieren."
 
-#: project/forms/admin.py:72 project/templates/admin/update_admin_unit.html:4
+#: project/forms/admin.py:98 project/templates/admin/update_admin_unit.html:4
 #: project/templates/admin/update_admin_unit.html:8
 msgid "Update organization"
 msgstr "Organisation aktualisieren"
 
-#: project/forms/admin.py:76 project/templates/admin/delete_admin_unit.html:6
+#: project/forms/admin.py:102 project/templates/admin/delete_admin_unit.html:6
 #: project/templates/admin_unit/request_deletion.html:6
 #: project/templates/admin_unit/update.html:113
 msgid "Delete organization"
 msgstr "Organisation löschen"
 
-#: project/forms/admin.py:77 project/forms/admin_unit.py:166
+#: project/forms/admin.py:103 project/forms/admin_unit.py:166
 #: project/forms/admin_unit.py:171 project/forms/admin_unit.py:176
 #: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
@@ -348,27 +353,27 @@ msgstr "Organisation löschen"
 msgid "Name"
 msgstr "Name"
 
-#: project/forms/admin.py:81 project/forms/admin.py:88
+#: project/forms/admin.py:107 project/forms/admin.py:114
 msgid "Recipient"
 msgstr "Empfänger"
 
-#: project/forms/admin.py:83
+#: project/forms/admin.py:109
 msgid "Send test mail synchronously"
 msgstr "Test-Mail synchron senden"
 
-#: project/forms/admin.py:90 project/forms/admin.py:96
+#: project/forms/admin.py:116 project/forms/admin.py:122
 msgid "Test recipient"
 msgstr "Test-Empfänger"
 
-#: project/forms/admin.py:91
+#: project/forms/admin.py:117
 msgid "All users with enabled newsletter setting"
 msgstr "Alle Nutzer mit aktiviertem Newsletter"
 
-#: project/forms/admin.py:97
+#: project/forms/admin.py:123
 msgid "Message"
 msgstr "Nachricht"
 
-#: project/forms/admin.py:98
+#: project/forms/admin.py:124
 msgid "Send newsletter"
 msgstr "Newsletter senden"
 
@@ -687,9 +692,9 @@ msgstr "Ende"
 
 #: 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."
+"Indicate when the event date will end. An event can last a maximum of 180"
+" days."
+msgstr "Gib an, wann der Termin endet. Ein Termin darf maximal 180 Tage dauern."
 
 #: project/forms/event.py:55
 msgid "All-day"
@@ -706,8 +711,8 @@ msgid "The start must be before the end."
 msgstr "Der Start muss vor dem Ende sein."
 
 #: project/forms/event.py:72 project/templates/_macros.html:1364
-msgid "An event can last a maximum of 14 days."
-msgstr "Eine Veranstaltung darf maximal 14 Tage dauern."
+msgid "An event can last a maximum of 180 days."
+msgstr "Eine Veranstaltung darf maximal 180 Tage dauern."
 
 #: project/forms/event.py:108
 msgid "Organizator"
@@ -1301,7 +1306,7 @@ msgstr "Wochentage"
 msgid "Min. expected number of participants"
 msgstr "Mind. erwartete Teilnehmerzahl"
 
-#: project/forms/planning.py:50 project/templates/planning/list.html:98
+#: project/forms/planning.py:50 project/templates/planning/list.html:102
 msgid "Refresh"
 msgstr "Aktualisieren"
 
@@ -1650,7 +1655,7 @@ msgstr "Umkreis"
 msgid "Edit image"
 msgstr "Bild bearbeiten"
 
-#: project/templates/_macros.html:1254 project/templates/planning/list.html:97
+#: project/templates/_macros.html:1254 project/templates/planning/list.html:101
 msgid "Close"
 msgstr "Schließen"
 
@@ -1740,7 +1745,7 @@ msgstr "Verwaltung"
 #: project/templates/manage/admin_units.html:28
 #: project/templates/manage/verification_requests_outgoing.html:13
 #: project/templates/manage/verification_requests_outgoing_create_select.html:13
-#: project/templates/planning/list.html:68
+#: project/templates/planning/list.html:72
 #: project/templates/security/login_user.html:21
 #: project/templates/security/register_user.html:43
 msgid "Docs"
@@ -1767,7 +1772,9 @@ msgstr "Veranstaltungen"
 msgid "Organizations"
 msgstr "Organisationen"
 
-#: project/templates/layout.html:177
+#: project/templates/admin/admin.html:35
+#: project/templates/admin/planning.html:4
+#: project/templates/admin/planning.html:11 project/templates/layout.html:177
 msgid "Planning"
 msgstr "Planung"
 
@@ -1775,7 +1782,8 @@ msgstr "Planung"
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
-#: project/templates/profile.html:17
+#: project/templates/profile.html:17 project/templates/user/general.html:10
+#: project/templates/user/notifications.html:10
 msgid "Profile"
 msgstr "Profil"
 
@@ -1783,6 +1791,7 @@ msgstr "Profil"
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
 #: project/templates/admin/newsletter.html:92
+#: project/templates/admin/planning.html:10
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:194
 msgid "Admin"
@@ -1920,7 +1929,7 @@ msgstr "Organisation wechseln"
 msgid "Developer"
 msgstr "Entwickler"
 
-#: project/templates/profile.html:12 project/views/admin_unit.py:90
+#: project/templates/profile.html:12 project/views/admin_unit.py:89
 #: project/views/admin_unit_member_invitation.py:39
 msgid "Your account is scheduled for deletion."
 msgstr "Dein Account ist zur Löschung vorgesehen."
@@ -1931,13 +1940,13 @@ msgid "Delete account"
 msgstr "Account löschen"
 
 #: project/templates/profile.html:36 project/templates/user/general.html:4
-#: project/templates/user/general.html:8
+#: project/templates/user/general.html:11
 msgid "General"
 msgstr "Allgemein"
 
 #: project/templates/profile.html:40
 #: project/templates/user/notifications.html:4
-#: project/templates/user/notifications.html:8
+#: project/templates/user/notifications.html:11
 msgid "Notifications"
 msgstr "Benachrichtigungen"
 
@@ -1983,7 +1992,7 @@ msgstr "Löschen"
 msgid "User"
 msgstr "Nutzer"
 
-#: project/templates/admin/email.html:47 project/views/admin.py:163
+#: project/templates/admin/email.html:47 project/views/admin.py:164
 msgid "Mail sent successfully"
 msgstr "Mail erfolgreich gesendet"
 
@@ -2423,7 +2432,7 @@ msgstr "Organisation einladen"
 msgid "Member"
 msgstr "Mitglied"
 
-#: project/templates/manage/events.html:42 project/views/admin_unit.py:143
+#: project/templates/manage/events.html:42 project/views/admin_unit.py:142
 msgid ""
 "The organization is not verified. Events are therefore not publicly "
 "visible."
@@ -2563,11 +2572,11 @@ msgid "Revoke"
 msgstr "Widerrufen"
 
 #: project/templates/planning/list.html:5
-#: project/templates/planning/list.html:66
+#: project/templates/planning/list.html:70
 msgid "Event Planning"
 msgstr "Planungsassistent"
 
-#: project/templates/planning/list.html:76
+#: project/templates/planning/list.html:80
 msgid "Filters"
 msgstr "Filter"
 
@@ -2689,38 +2698,39 @@ msgstr "Optionale Details"
 msgid "Preview"
 msgstr "Vorschau"
 
-#: project/views/admin.py:63
+#: project/views/admin.py:64
 msgid "Organization successfully updated"
 msgstr "Organisation erfolgreich aktualisiert"
 
-#: project/views/admin.py:85 project/views/admin_unit.py:208
-#: project/views/admin_unit.py:241 project/views/manage.py:315
+#: project/views/admin.py:86 project/views/admin_unit.py:207
+#: project/views/admin_unit.py:240 project/views/manage.py:315
 #: project/views/verification_request.py:169
 msgid "Entered name does not match organization name"
 msgstr "Der eingegebene Name entspricht nicht dem Namen der Organisation"
 
-#: project/views/admin.py:89
+#: project/views/admin.py:90
 msgid "Organization successfully deleted"
 msgstr "Organisation erfolgreich gelöscht"
 
-#: project/views/admin.py:133 project/views/manage.py:485
-#: project/views/user.py:64 project/views/user.py:83
+#: project/views/admin.py:134 project/views/admin.py:280
+#: project/views/manage.py:485 project/views/user.py:64
+#: project/views/user.py:83
 msgid "Settings successfully updated"
 msgstr "Einstellungen erfolgreich aktualisiert"
 
-#: project/views/admin.py:233
+#: project/views/admin.py:234
 msgid "User successfully updated"
 msgstr "Nutzer erfolgreich aktualisiert"
 
-#: project/views/admin.py:253
+#: project/views/admin.py:254
 msgid "Entered email does not match user email"
 msgstr "Die eingegebene Email passt nicht zur Email des Nutzers"
 
-#: project/views/admin.py:257
+#: project/views/admin.py:258
 msgid "User successfully deleted"
 msgstr "Nutzer erfolgreich gelöscht"
 
-#: project/views/admin_unit.py:80
+#: project/views/admin_unit.py:79
 msgid ""
 "Organizations cannot currently be created. The project is in a closed "
 "test phase. If you are interested, you can contact us."
@@ -2729,11 +2739,11 @@ msgstr ""
 " sich in einer geschlossenen Test-Phase. Bei Interesse kannst du uns "
 "kontaktieren."
 
-#: project/views/admin_unit.py:134
+#: project/views/admin_unit.py:133
 msgid "Organization successfully created"
 msgstr "Organisation erfolgreich erstellt"
 
-#: project/views/admin_unit.py:184
+#: project/views/admin_unit.py:183
 msgid "AdminUnit successfully updated"
 msgstr "Organisation erfolgreich aktualisiert"
 
@@ -2769,23 +2779,23 @@ msgstr "Die eingegebene Email passt nicht zur Email der Einladung"
 msgid "Invitation successfully deleted"
 msgstr "Einladung erfolgreich gelöscht"
 
-#: project/views/event.py:209
+#: project/views/event.py:211
 msgid "Event successfully published"
 msgstr "Veranstaltung erfolgreich veröffentlicht"
 
-#: project/views/event.py:211
+#: project/views/event.py:213
 msgid "Draft successfully saved"
 msgstr "Entwurf erfolgreich gespeichert"
 
-#: project/views/event.py:213
+#: project/views/event.py:215
 msgid "Event successfully planned"
 msgstr "Veranstaltung erfolgreich geplant"
 
-#: project/views/event.py:273
+#: project/views/event.py:275
 msgid "Event successfully updated"
 msgstr "Veranstaltung erfolgreich aktualisiert"
 
-#: project/views/event.py:299
+#: project/views/event.py:301
 msgid "Event successfully deleted"
 msgstr "Veranstaltung erfolgreich gelöscht"
 
@@ -2809,31 +2819,31 @@ msgstr "Ort erfolgreich gelöscht"
 msgid "Event suggestion successfully rejected"
 msgstr "Veranstaltungsvorschlag erfolgreich abgelehnt"
 
-#: project/views/js.py:33
+#: project/views/js.py:41
 msgid "Short name is already taken"
 msgstr "Der Kurzname ist bereits vergeben"
 
-#: project/views/js.py:52
+#: project/views/js.py:60
 msgid "Name is already taken"
 msgstr "Der Name ist bereits vergeben"
 
-#: project/views/js.py:76
+#: project/views/js.py:84
 msgid "A place already exists with this name."
 msgstr "Mit diesem Namen existiert bereits ein Ort."
 
-#: project/views/js.py:100
+#: project/views/js.py:108
 msgid "An organizer already exists with this name."
 msgstr "Mit diesem Namen existiert bereits ein Veranstalter."
 
-#: project/views/js.py:114
+#: project/views/js.py:122
 msgid "An account already exists with this email."
 msgstr "Mit dieser E-Mail existiert bereits ein Account."
 
-#: project/views/js.py:158
+#: project/views/js.py:166
 msgid "Places of organization"
 msgstr "Orte der Organisation"
 
-#: project/views/js.py:166
+#: project/views/js.py:174
 msgid "Places of Google Maps"
 msgstr "Orte von Google Maps"
 
@@ -2899,12 +2909,12 @@ msgstr "Empfehlung erfolgreich empfohlen"
 msgid "Reference successfully deleted"
 msgstr "Empfehlung erfolgreich gelöscht"
 
-#: project/views/reference_request.py:145
+#: project/views/reference_request.py:141
 #, python-format
 msgid "%(organization)s accepted your reference request"
 msgstr "%(organization)s hat deine Empfehlungsanfrage akzeptiert"
 
-#: project/views/reference_request.py:152
+#: project/views/reference_request.py:148
 #, python-format
 msgid ""
 "Reference request to %(organization)s successfully created. You will be "
@@ -3027,7 +3037,7 @@ msgstr "Anzeigen"
 msgid "You do not have permission for this action"
 msgstr "Du hast keine Berechtigung für diese Aktion"
 
-#: project/views/utils.py:382
+#: project/views/utils.py:386
 msgid ""
 "The invitation was issued to another user. Sign in with the email address"
 " the invitation was sent to."
@@ -3114,7 +3124,7 @@ msgstr ""
 #~ msgid ""
 #~ "Indicate when the event will end. "
 #~ "An event can last a maximum of "
-#~ "14 days."
+#~ "180 days."
 #~ msgstr ""
 #~ "Gib an, wann die Veranstaltung endet."
 #~ " Eine Veranstaltung darf maximal 14 "
@@ -3165,3 +3175,9 @@ msgstr ""
 #~ msgid "Switch to place search"
 #~ msgstr "Zur Ortssuche wechseln"
 
+#~ 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 180 Tage dauern."
+
diff --git a/project/translations/en/LC_MESSAGES/messages.mo b/project/translations/en/LC_MESSAGES/messages.mo
index 289dac7..f20f7c8 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 869cf65..e63a009 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: 2023-11-13 17:25+0100\n"
+"POT-Creation-Date: 2024-02-10 17:55+0100\n"
 "PO-Revision-Date: 2021-04-30 15:04+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: en\n"
@@ -18,183 +18,183 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.12.1\n"
 
-#: project/i10n.py:32
+#: project/i10n.py:36
 msgid "Event_Art"
 msgstr "Art"
 
-#: project/i10n.py:33
+#: project/i10n.py:37
 msgid "Event_Book"
 msgstr "Book"
 
-#: project/i10n.py:34
+#: project/i10n.py:38
 msgid "Event_Movie"
 msgstr "Movie"
 
-#: project/i10n.py:35
+#: project/i10n.py:39
 msgid "Event_Family"
 msgstr "Family"
 
-#: project/i10n.py:36
+#: project/i10n.py:40
 msgid "Event_Festival"
 msgstr "Festival"
 
-#: project/i10n.py:37
+#: project/i10n.py:41
 msgid "Event_Religious"
 msgstr "Religious"
 
-#: project/i10n.py:38
+#: project/i10n.py:42
 msgid "Event_Shopping"
 msgstr "Shopping"
 
-#: project/i10n.py:39
+#: project/i10n.py:43
 msgid "Event_Comedy"
 msgstr "Comedy"
 
-#: project/i10n.py:40
+#: project/i10n.py:44
 msgid "Event_Music"
 msgstr "Music"
 
-#: project/i10n.py:41
+#: project/i10n.py:45
 msgid "Event_Dance"
 msgstr "Dance"
 
-#: project/i10n.py:42
+#: project/i10n.py:46
 msgid "Event_Nightlife"
 msgstr "Nightlife"
 
-#: project/i10n.py:43
+#: project/i10n.py:47
 msgid "Event_Theater"
 msgstr "Theater"
 
-#: project/i10n.py:44
+#: project/i10n.py:48
 msgid "Event_Dining"
 msgstr "Dining"
 
-#: project/i10n.py:45
+#: project/i10n.py:49
 msgid "Event_Conference"
 msgstr "Conference"
 
-#: project/i10n.py:46
+#: project/i10n.py:50
 msgid "Event_Meetup"
 msgstr "Meetup"
 
-#: project/i10n.py:47
+#: project/i10n.py:51
 msgid "Event_Fitness"
 msgstr "Fitness"
 
-#: project/i10n.py:48
+#: project/i10n.py:52
 msgid "Event_Sports"
 msgstr "Sports"
 
-#: project/i10n.py:49
+#: project/i10n.py:53
 msgid "Event_Other"
 msgstr "Other"
 
-#: project/i10n.py:50
+#: project/i10n.py:54
 msgid "Event_Exhibition"
 msgstr "Exhibition"
 
-#: project/i10n.py:51
+#: project/i10n.py:55
 msgid "Event_Culture"
 msgstr "Culture"
 
-#: project/i10n.py:52
+#: project/i10n.py:56
 msgid "Event_Tour"
 msgstr "Tour"
 
-#: project/i10n.py:53
+#: project/i10n.py:57
 msgid "Event_OpenAir"
 msgstr "Open Air"
 
-#: project/i10n.py:54
+#: project/i10n.py:58
 msgid "Event_Stage"
 msgstr "Stage"
 
-#: project/i10n.py:55
+#: project/i10n.py:59
 msgid "Event_Lecture"
 msgstr "Lecture"
 
-#: project/i10n.py:56
+#: project/i10n.py:60
 msgid "Typical Age range"
 msgstr ""
 
-#: project/i10n.py:57
+#: project/i10n.py:61
 msgid "Administrator"
 msgstr ""
 
-#: project/i10n.py:58
+#: project/i10n.py:62
 msgid "Event expert"
 msgstr ""
 
-#: project/i10n.py:59
+#: project/i10n.py:63
 msgid "EventReviewStatus.inbox"
 msgstr "Inbox"
 
-#: project/i10n.py:60
+#: project/i10n.py:64
 msgid "EventReviewStatus.verified"
 msgstr "Verified"
 
-#: project/i10n.py:61
+#: project/i10n.py:65
 msgid "EventReviewStatus.rejected"
 msgstr "Rejected"
 
-#: project/i10n.py:62
+#: project/i10n.py:66
 msgid "Scope_openid"
 msgstr "Verify identity"
 
-#: project/i10n.py:63
+#: project/i10n.py:67
 msgid "Scope_profile"
 msgstr "Profile information"
 
-#: project/i10n.py:64
+#: project/i10n.py:68
 msgid "Scope_user:read"
 msgstr "Read user settings"
 
-#: project/i10n.py:65
+#: project/i10n.py:69
 msgid "Scope_user:write"
 msgstr "Create, update and delete user settings"
 
-#: project/i10n.py:66
+#: project/i10n.py:70
 msgid "Scope_organizer:write"
 msgstr "Create, update and delete organizers"
 
-#: project/i10n.py:67
+#: project/i10n.py:71
 msgid "Scope_place:write"
 msgstr "Create, update and delete places"
 
-#: project/i10n.py:68
+#: project/i10n.py:72
 msgid "Scope_event:write"
 msgstr "Create, update and delete events"
 
-#: project/i10n.py:69
+#: project/i10n.py:73
 msgid "Scope_eventlist:write"
 msgstr "Create, update and delete event lists"
 
-#: project/i10n.py:70
+#: project/i10n.py:74
 msgid "Scope_eventreference:write"
 msgstr ""
 
-#: project/i10n.py:71
+#: project/i10n.py:75
 msgid "Scope_organization:read"
 msgstr "Read organizations"
 
-#: project/i10n.py:72
+#: project/i10n.py:76
 msgid "Scope_organization:write"
 msgstr "Create, update and delete organizations"
 
-#: project/i10n.py:73
+#: project/i10n.py:77
 msgid "Scope_customwidget:write"
 msgstr ""
 
-#: project/i10n.py:74
+#: project/i10n.py:78
 msgid "There must be no self-reference."
 msgstr ""
 
-#: project/utils.py:19
+#: project/utils.py:20
 msgid "Event_"
 msgstr ""
 
-#: project/utils.py:23
+#: project/utils.py:24
 msgid "."
 msgstr ""
 
@@ -202,64 +202,69 @@ msgstr ""
 msgid "message"
 msgstr ""
 
-#: project/forms/admin.py:11 project/templates/layout.html:344
+#: project/forms/admin.py:13 project/templates/layout.html:344
 #: project/views/root.py:55
 msgid "Terms of service"
 msgstr ""
 
-#: project/forms/admin.py:12 project/templates/layout.html:349
+#: project/forms/admin.py:14 project/templates/layout.html:349
 #: project/views/root.py:67
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1490
+#: project/forms/admin.py:15 project/templates/_macros.html:1490
 #: project/templates/layout.html:353
 #: project/templates/widget/event_suggestion/create.html:204
-#: project/views/admin_unit.py:84 project/views/root.py:75
+#: project/views/admin_unit.py:83 project/views/root.py:75
 msgid "Contact"
 msgstr ""
 
-#: project/forms/admin.py:14 project/templates/layout.html:357
+#: project/forms/admin.py:16 project/templates/layout.html:357
 #: project/views/root.py:83
 msgid "Privacy"
 msgstr ""
 
-#: project/forms/admin.py:15
+#: project/forms/admin.py:17
 msgid "Start page"
 msgstr ""
 
-#: project/forms/admin.py:16
+#: project/forms/admin.py:18
 msgid "Announcement"
 msgstr ""
 
-#: project/forms/admin.py:18 project/forms/oauth2_client.py:24
-#: project/forms/user.py:18 project/forms/user.py:32
+#: project/forms/admin.py:20 project/forms/admin.py:28
+#: project/forms/oauth2_client.py:24 project/forms/user.py:18
+#: project/forms/user.py:32
 msgid "Save"
 msgstr ""
 
-#: project/forms/admin.py:23
+#: project/forms/admin.py:25
+msgid "External calendars"
+msgstr ""
+
+#: project/forms/admin.py:49
 msgid "Reset for all users"
 msgstr ""
 
-#: project/forms/admin.py:25
+#: project/forms/admin.py:51
 msgid "Reset"
 msgstr ""
 
-#: project/forms/admin.py:29 project/forms/admin_unit_member.py:14
+#: project/forms/admin.py:55 project/forms/admin_unit_member.py:14
 #: project/forms/admin_unit_member.py:34
 msgid "Roles"
 msgstr ""
 
-#: project/forms/admin.py:30 project/templates/admin/update_user.html:4
+#: project/forms/admin.py:56 project/templates/admin/update_user.html:4
 #: project/templates/admin/update_user.html:8
 msgid "Update user"
 msgstr ""
 
-#: project/forms/admin.py:34 project/templates/admin/delete_user.html:6
+#: project/forms/admin.py:60 project/templates/admin/delete_user.html:6
 msgid "Delete user"
 msgstr ""
 
-#: project/forms/admin.py:35 project/forms/admin_unit.py:67
+#: project/forms/admin.py:61 project/forms/admin_unit.py:67
 #: 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:112
 #: project/forms/event_suggestion.py:38 project/forms/organizer.py:33
@@ -271,60 +276,60 @@ msgstr ""
 msgid "Email"
 msgstr ""
 
-#: project/forms/admin.py:40
+#: project/forms/admin.py:66
 msgid "Incoming reference requests allowed"
 msgstr ""
 
-#: project/forms/admin.py:41
+#: project/forms/admin.py:67
 msgid ""
 "If set, other organizations can ask this organization to reference their "
 "event."
 msgstr ""
 
-#: project/forms/admin.py:47
+#: project/forms/admin.py:73
 msgid "Suggestions enabled"
 msgstr ""
 
-#: project/forms/admin.py:48
+#: project/forms/admin.py:74
 msgid "If set, the organization can work with suggestions."
 msgstr ""
 
-#: project/forms/admin.py:52
+#: project/forms/admin.py:78
 msgid "Create other organizations"
 msgstr ""
 
-#: project/forms/admin.py:53
+#: project/forms/admin.py:79
 msgid "If set, members of the organization can create other organizations."
 msgstr ""
 
-#: project/forms/admin.py:59
+#: project/forms/admin.py:85
 msgid "Invite other organizations"
 msgstr ""
 
-#: project/forms/admin.py:60
+#: project/forms/admin.py:86
 msgid "If set, members of the organization can invite other organizations."
 msgstr ""
 
-#: project/forms/admin.py:66
+#: project/forms/admin.py:92
 msgid "Verify other organizations"
 msgstr ""
 
-#: project/forms/admin.py:67
+#: project/forms/admin.py:93
 msgid "If set, members of the organization can verify other organizations."
 msgstr ""
 
-#: project/forms/admin.py:72 project/templates/admin/update_admin_unit.html:4
+#: project/forms/admin.py:98 project/templates/admin/update_admin_unit.html:4
 #: project/templates/admin/update_admin_unit.html:8
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin.py:76 project/templates/admin/delete_admin_unit.html:6
+#: project/forms/admin.py:102 project/templates/admin/delete_admin_unit.html:6
 #: project/templates/admin_unit/request_deletion.html:6
 #: project/templates/admin_unit/update.html:113
 msgid "Delete organization"
 msgstr ""
 
-#: project/forms/admin.py:77 project/forms/admin_unit.py:166
+#: project/forms/admin.py:103 project/forms/admin_unit.py:166
 #: project/forms/admin_unit.py:171 project/forms/admin_unit.py:176
 #: project/forms/event.py:90 project/forms/event.py:119
 #: project/forms/event_place.py:30 project/forms/event_place.py:56
@@ -340,27 +345,27 @@ msgstr ""
 msgid "Name"
 msgstr ""
 
-#: project/forms/admin.py:81 project/forms/admin.py:88
+#: project/forms/admin.py:107 project/forms/admin.py:114
 msgid "Recipient"
 msgstr ""
 
-#: project/forms/admin.py:83
+#: project/forms/admin.py:109
 msgid "Send test mail synchronously"
 msgstr ""
 
-#: project/forms/admin.py:90 project/forms/admin.py:96
+#: project/forms/admin.py:116 project/forms/admin.py:122
 msgid "Test recipient"
 msgstr ""
 
-#: project/forms/admin.py:91
+#: project/forms/admin.py:117
 msgid "All users with enabled newsletter setting"
 msgstr ""
 
-#: project/forms/admin.py:97
+#: project/forms/admin.py:123
 msgid "Message"
 msgstr ""
 
-#: project/forms/admin.py:98
+#: project/forms/admin.py:124
 msgid "Send newsletter"
 msgstr ""
 
@@ -661,8 +666,8 @@ msgstr ""
 
 #: project/forms/event.py:50
 msgid ""
-"Indicate when the event date will end. An event can last a maximum of 14 "
-"days."
+"Indicate when the event date will end. An event can last a maximum of 180"
+" days."
 msgstr ""
 
 #: project/forms/event.py:55
@@ -680,7 +685,7 @@ msgid "The start must be before the end."
 msgstr ""
 
 #: project/forms/event.py:72 project/templates/_macros.html:1364
-msgid "An event can last a maximum of 14 days."
+msgid "An event can last a maximum of 180 days."
 msgstr ""
 
 #: project/forms/event.py:108
@@ -1248,7 +1253,7 @@ msgstr ""
 msgid "Min. expected number of participants"
 msgstr ""
 
-#: project/forms/planning.py:50 project/templates/planning/list.html:98
+#: project/forms/planning.py:50 project/templates/planning/list.html:102
 msgid "Refresh"
 msgstr ""
 
@@ -1595,7 +1600,7 @@ msgstr ""
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1254 project/templates/planning/list.html:97
+#: project/templates/_macros.html:1254 project/templates/planning/list.html:101
 msgid "Close"
 msgstr ""
 
@@ -1685,7 +1690,7 @@ msgstr ""
 #: project/templates/manage/admin_units.html:28
 #: project/templates/manage/verification_requests_outgoing.html:13
 #: project/templates/manage/verification_requests_outgoing_create_select.html:13
-#: project/templates/planning/list.html:68
+#: project/templates/planning/list.html:72
 #: project/templates/security/login_user.html:21
 #: project/templates/security/register_user.html:43
 msgid "Docs"
@@ -1712,7 +1717,9 @@ msgstr ""
 msgid "Organizations"
 msgstr ""
 
-#: project/templates/layout.html:177
+#: project/templates/admin/admin.html:35
+#: project/templates/admin/planning.html:4
+#: project/templates/admin/planning.html:11 project/templates/layout.html:177
 msgid "Planning"
 msgstr ""
 
@@ -1720,7 +1727,8 @@ msgstr ""
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
-#: project/templates/profile.html:17
+#: project/templates/profile.html:17 project/templates/user/general.html:10
+#: project/templates/user/notifications.html:10
 msgid "Profile"
 msgstr ""
 
@@ -1728,6 +1736,7 @@ msgstr ""
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
 #: project/templates/admin/newsletter.html:92
+#: project/templates/admin/planning.html:10
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:194
 msgid "Admin"
@@ -1865,7 +1874,7 @@ msgstr ""
 msgid "Developer"
 msgstr ""
 
-#: project/templates/profile.html:12 project/views/admin_unit.py:90
+#: project/templates/profile.html:12 project/views/admin_unit.py:89
 #: project/views/admin_unit_member_invitation.py:39
 msgid "Your account is scheduled for deletion."
 msgstr ""
@@ -1876,13 +1885,13 @@ msgid "Delete account"
 msgstr ""
 
 #: project/templates/profile.html:36 project/templates/user/general.html:4
-#: project/templates/user/general.html:8
+#: project/templates/user/general.html:11
 msgid "General"
 msgstr ""
 
 #: project/templates/profile.html:40
 #: project/templates/user/notifications.html:4
-#: project/templates/user/notifications.html:8
+#: project/templates/user/notifications.html:11
 msgid "Notifications"
 msgstr ""
 
@@ -1928,7 +1937,7 @@ msgstr ""
 msgid "User"
 msgstr ""
 
-#: project/templates/admin/email.html:47 project/views/admin.py:163
+#: project/templates/admin/email.html:47 project/views/admin.py:164
 msgid "Mail sent successfully"
 msgstr ""
 
@@ -2357,7 +2366,7 @@ msgstr ""
 msgid "Member"
 msgstr ""
 
-#: project/templates/manage/events.html:42 project/views/admin_unit.py:143
+#: project/templates/manage/events.html:42 project/views/admin_unit.py:142
 msgid ""
 "The organization is not verified. Events are therefore not publicly "
 "visible."
@@ -2491,11 +2500,11 @@ msgid "Revoke"
 msgstr ""
 
 #: project/templates/planning/list.html:5
-#: project/templates/planning/list.html:66
+#: project/templates/planning/list.html:70
 msgid "Event Planning"
 msgstr ""
 
-#: project/templates/planning/list.html:76
+#: project/templates/planning/list.html:80
 msgid "Filters"
 msgstr ""
 
@@ -2615,48 +2624,49 @@ msgstr ""
 msgid "Preview"
 msgstr ""
 
-#: project/views/admin.py:63
+#: project/views/admin.py:64
 msgid "Organization successfully updated"
 msgstr ""
 
-#: project/views/admin.py:85 project/views/admin_unit.py:208
-#: project/views/admin_unit.py:241 project/views/manage.py:315
+#: project/views/admin.py:86 project/views/admin_unit.py:207
+#: project/views/admin_unit.py:240 project/views/manage.py:315
 #: project/views/verification_request.py:169
 msgid "Entered name does not match organization name"
 msgstr ""
 
-#: project/views/admin.py:89
+#: project/views/admin.py:90
 msgid "Organization successfully deleted"
 msgstr ""
 
-#: project/views/admin.py:133 project/views/manage.py:485
-#: project/views/user.py:64 project/views/user.py:83
+#: project/views/admin.py:134 project/views/admin.py:280
+#: project/views/manage.py:485 project/views/user.py:64
+#: project/views/user.py:83
 msgid "Settings successfully updated"
 msgstr ""
 
-#: project/views/admin.py:233
+#: project/views/admin.py:234
 msgid "User successfully updated"
 msgstr ""
 
-#: project/views/admin.py:253
+#: project/views/admin.py:254
 msgid "Entered email does not match user email"
 msgstr ""
 
-#: project/views/admin.py:257
+#: project/views/admin.py:258
 msgid "User successfully deleted"
 msgstr ""
 
-#: project/views/admin_unit.py:80
+#: project/views/admin_unit.py:79
 msgid ""
 "Organizations cannot currently be created. The project is in a closed "
 "test phase. If you are interested, you can contact us."
 msgstr ""
 
-#: project/views/admin_unit.py:134
+#: project/views/admin_unit.py:133
 msgid "Organization successfully created"
 msgstr ""
 
-#: project/views/admin_unit.py:184
+#: project/views/admin_unit.py:183
 msgid "AdminUnit successfully updated"
 msgstr ""
 
@@ -2692,23 +2702,23 @@ msgstr ""
 msgid "Invitation successfully deleted"
 msgstr ""
 
-#: project/views/event.py:209
+#: project/views/event.py:211
 msgid "Event successfully published"
 msgstr ""
 
-#: project/views/event.py:211
+#: project/views/event.py:213
 msgid "Draft successfully saved"
 msgstr ""
 
-#: project/views/event.py:213
+#: project/views/event.py:215
 msgid "Event successfully planned"
 msgstr ""
 
-#: project/views/event.py:273
+#: project/views/event.py:275
 msgid "Event successfully updated"
 msgstr ""
 
-#: project/views/event.py:299
+#: project/views/event.py:301
 msgid "Event successfully deleted"
 msgstr ""
 
@@ -2732,31 +2742,31 @@ msgstr ""
 msgid "Event suggestion successfully rejected"
 msgstr ""
 
-#: project/views/js.py:33
+#: project/views/js.py:41
 msgid "Short name is already taken"
 msgstr ""
 
-#: project/views/js.py:52
+#: project/views/js.py:60
 msgid "Name is already taken"
 msgstr ""
 
-#: project/views/js.py:76
+#: project/views/js.py:84
 msgid "A place already exists with this name."
 msgstr ""
 
-#: project/views/js.py:100
+#: project/views/js.py:108
 msgid "An organizer already exists with this name."
 msgstr ""
 
-#: project/views/js.py:114
+#: project/views/js.py:122
 msgid "An account already exists with this email."
 msgstr ""
 
-#: project/views/js.py:158
+#: project/views/js.py:166
 msgid "Places of organization"
 msgstr ""
 
-#: project/views/js.py:166
+#: project/views/js.py:174
 msgid "Places of Google Maps"
 msgstr ""
 
@@ -2820,12 +2830,12 @@ msgstr ""
 msgid "Reference successfully deleted"
 msgstr ""
 
-#: project/views/reference_request.py:145
+#: project/views/reference_request.py:141
 #, python-format
 msgid "%(organization)s accepted your reference request"
 msgstr ""
 
-#: project/views/reference_request.py:152
+#: project/views/reference_request.py:148
 #, python-format
 msgid ""
 "Reference request to %(organization)s successfully created. You will be "
@@ -2939,7 +2949,7 @@ msgstr ""
 msgid "You do not have permission for this action"
 msgstr ""
 
-#: project/views/utils.py:382
+#: project/views/utils.py:386
 msgid ""
 "The invitation was issued to another user. Sign in with the email address"
 " the invitation was sent to."
@@ -3015,7 +3025,7 @@ msgstr ""
 #~ msgid ""
 #~ "Indicate when the event will end. "
 #~ "An event can last a maximum of "
-#~ "14 days."
+#~ "180 days."
 #~ msgstr ""
 
 #~ msgid "Host"
@@ -3066,3 +3076,9 @@ msgstr ""
 #~ msgid "Accept verification requests to organizations with these postal codes."
 #~ msgstr ""
 
+#~ msgid ""
+#~ "Indicate when the event date will "
+#~ "end. An event can last a maximum"
+#~ " of 14 days."
+#~ msgstr ""
+
diff --git a/tests/api/test_event.py b/tests/api/test_event.py
index 08ac7f5..7a9205b 100644
--- a/tests/api/test_event.py
+++ b/tests/api/test_event.py
@@ -456,7 +456,7 @@ def test_put_durationMoreThanMaxAllowedDuration(
 
     put = create_put(place_id, organizer_id)
     put["date_definitions"][0]["start"] = "2021-02-07T11:00:00.000Z"
-    put["date_definitions"][0]["end"] = "2021-02-21T11:01:00.000Z"
+    put["date_definitions"][0]["end"] = "2022-02-21T11:01:00.000Z"
 
     url = utils.get_url("api_v1_event", id=event_id)
     response = utils.put_json(url, put)
diff --git a/tests/views/test_event.py b/tests/views/test_event.py
index 512a662..f9c3e27 100644
--- a/tests/views/test_event.py
+++ b/tests/views/test_event.py
@@ -439,14 +439,14 @@ def test_create_durationMoreThanMaxAllowedDuration(
         {
             "name": "Name",
             "date_definitions-0-start": ["2030-12-30", "12:00"],
-            "date_definitions-0-end": ["2031-01-13", "12:01"],
+            "date_definitions-0-end": ["2031-06-29", "12:01"],
             "event_place_id": place_id,
         },
     )
 
     utils.assert_response_error_message(
         response,
-        "Eine Veranstaltung darf maximal 14 Tage dauern",
+        "Eine Veranstaltung darf maximal 180 Tage dauern",
     )