diff --git a/config/model/class_groups.py b/config/model/class_groups.py
index 67afa6755..f28f4a73f 100644
--- a/config/model/class_groups.py
+++ b/config/model/class_groups.py
@@ -18,7 +18,8 @@
         'name': 'event',
         'label': _('event'),
         'classes': [
-            'activity', 'acquisition', 'modification', 'move', 'production'],
+            'activity', 'acquisition', 'creation', 'modification', 'move',
+            'production'],
         'table_columns':
             ['name', 'class', 'type', 'begin', 'end', 'description'],
         'icon': 'mdi-calendar'},
diff --git a/config/model/classes/event.py b/config/model/classes/event.py
index ea404454b..8b352e061 100644
--- a/config/model/classes/event.py
+++ b/config/model/classes/event.py
@@ -111,6 +111,17 @@
         'mode': 'direct',
         'multiple': True}}
 
+creation: dict[str, Any] = copy.deepcopy(class_)
+creation['label'] = _('creation')
+creation['display']['tooltip'] = _('creation of conceptual items')
+creation['relations'] = creation['relations'] | {
+    'created_source': {
+        'label': _('created source'),
+        'classes': ['source'],
+        'property': 'P94',
+        'multiple': True,
+        'mode': 'direct'}}
+
 modification: dict[str, Any] = copy.deepcopy(class_)
 modification['label'] = _('modification')
 modification['display']['tooltip'] = _('modification of items')
diff --git a/config/model/classes/source.py b/config/model/classes/source.py
index 0b4d93258..7806200e4 100644
--- a/config/model/classes/source.py
+++ b/config/model/classes/source.py
@@ -61,7 +61,14 @@
                 'buttons': ['link', 'insert'],
                 'tooltip': _('mentioned in the source')}},
         'reference': standard_relations['reference'],
-        'file': standard_relations['file']},
+        'file': standard_relations['file'],
+        'source_creation': {
+            'label': _('creation event'),
+            'classes': ['creation'],
+            'property': 'P94',
+            'inverse': True,
+            'mode': 'direct',
+            'tooltip': _('Links the creation event of the source')}},
     'display': {
         'buttons': ['copy'],
         'form_buttons': ['insert_and_continue'],
diff --git a/config/model/model.py b/config/model/model.py
index 8c1830014..a8799942e 100644
--- a/config/model/model.py
+++ b/config/model/model.py
@@ -13,6 +13,7 @@
     'alias': {'attributes': {}},
     'artifact': item.artifact,
     'bibliography': reference.bibliography,
+    'creation': event.creation,
     'edition': reference.edition,
     'external_reference': reference.external_reference,
     'feature': place.feature,
diff --git a/install/4_data_type.sql b/install/4_data_type.sql
index 0dae6de9b..0b1799c7d 100644
--- a/install/4_data_type.sql
+++ b/install/4_data_type.sql
@@ -345,6 +345,7 @@ INSERT INTO model.openatlas_class (name, cidoc_class_code, new_types_allowed, wr
   ('alias',                'E41', false, 'contributor', NULL),
   ('artifact',             'E22', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'Artifact' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
   ('bibliography',         'E31', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'Bibliography' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
+  ('creation',             'E65', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'Event' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
   ('edition',              'E31', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'Edition' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
   ('external_reference',   'E31', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'External reference' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
   ('feature',              'E18', true,  'contributor', (SELECT id FROM model.entity WHERE name = 'Feature' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1)),
diff --git a/install/upgrade/9.5.0.sql b/install/upgrade/9.5.0.sql
index d63d99ac9..ba328ddfe 100644
--- a/install/upgrade/9.5.0.sql
+++ b/install/upgrade/9.5.0.sql
@@ -3,10 +3,15 @@ BEGIN;
 -- Raise database version
 UPDATE web.settings SET value = '9.5.0' WHERE name = 'database_version';
 
--- Remove cidoc_class_code FROM model.entity
-ALTER TABLE model.entity DROP COLUMN IF EXISTS cidoc_class_code;
+-- Add creation event for sources (#2743)
+INSERT INTO model.openatlas_class (name, cidoc_class_code, new_types_allowed, write_access_group_name, standard_type_id) VALUES
+  ('creation', 'E65', true, 'contributor', (SELECT id FROM model.entity WHERE name = 'Event' AND openatlas_class_name = 'type' ORDER BY id ASC LIMIT 1));
 
+INSERT INTO web.hierarchy_openatlas_class (hierarchy_id, openatlas_class_name) VALUES
+  ((SELECT id FROM web.hierarchy WHERE name='Event'), 'creation');
 
+-- Remove cidoc_class_code FROM model.entity (#2875)
+ALTER TABLE model.entity DROP COLUMN IF EXISTS cidoc_class_code;
 DROP FUNCTION IF EXISTS model.delete_entity_related() CASCADE;
 
 CREATE FUNCTION model.delete_entity_related() RETURNS trigger