diff --git a/src/agenda_culturel/calendar.py b/src/agenda_culturel/calendar.py
index 36feebc..7999109 100644
--- a/src/agenda_culturel/calendar.py
+++ b/src/agenda_culturel/calendar.py
@@ -171,11 +171,12 @@ class IntervalInDay(DayInCalendar):
         self.id = self.id + '-' + str(id)
 
 class CalendarList:
-    def __init__(self, firstdate, lastdate, filter=None, exact=False):
+    def __init__(self, firstdate, lastdate, filter=None, exact=False, ignore_dup=None):
         self.firstdate = firstdate
         self.lastdate = lastdate
         self.now = date.today()
         self.filter = filter
+        self.ignore_dup = ignore_dup
 
         if exact:
             self.c_firstdate = self.firstdate
@@ -219,6 +220,9 @@ class CalendarList:
             qs = Event.objects.all()
         else:
             qs = self.filter.qs
+
+        if self.ignore_dup:
+            qs = qs.exclude(possibly_duplicated=self.ignore_dup)
         startdatetime = timezone.make_aware(datetime.combine(self.c_firstdate, time.min), timezone.get_default_timezone())
         lastdatetime = timezone.make_aware(datetime.combine(self.c_lastdate, time.max), timezone.get_default_timezone())
         self.events = qs.filter(
@@ -230,7 +234,7 @@ class CalendarList:
                     | Q(recurrence_dtend__lt=startdatetime)
                 )
             )
-        ).order_by("start_time").prefetch_related("exact_location").prefetch_related("category")
+        ).filter(masked=False).order_by("start_time").prefetch_related("exact_location").prefetch_related("category")
 
         firstdate = datetime.fromordinal(self.c_firstdate.toordinal())
         if firstdate.tzinfo is None or firstdate.tzinfo.utcoffset(firstdate) is None:
diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index 52cbb2e..1159027 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -162,17 +162,17 @@ class FixDuplicates(Form):
             choices += [
                 (
                     "SelectA",
-                    "Ces événements sont identiques, on garde A et on met B à la corbeille",
+                    "Ces événements sont identiques, on garde A et on masque B",
                 )
             ]
             choices += [
                 (
                     "SelectB",
-                    "Ces événements sont identiques, on garde B et on met A à la corbeille",
+                    "Ces événements sont identiques, on garde B et on masque A",
                 )
             ]
             choices += [
-                ("Merge", "Ces événements sont identiques, on fusionne à la main")
+                ("Merge", "Ces événements sont identiques, créé une nouvelle version par fusion")
             ]
         else:
             choices = [("NotDuplicates", "Ces événements sont tous différents")]
@@ -191,11 +191,11 @@ class FixDuplicates(Form):
                         "Select" + i,
                         "Ces événements sont identiques, on garde "
                         + i
-                        + " et on met les autres à la corbeille",
+                        + " et on masque les autres",
                     )
                 ]
             choices += [
-                ("Merge", "Ces événements sont identiques, on fusionne à la main")
+                ("Merge", "Ces événements sont identiques, on en créé un nouveau par fusion")
             ]
 
         self.fields["action"].choices = choices
@@ -248,7 +248,7 @@ class MergeDuplicates(Form):
         super().__init__(*args, **kwargs)
 
         choices = [
-            ("event" + i, "Valeur de l'évenement " + i) for i in auc[0:nb_events]
+            ("event" + i, "Valeur de l'événement " + i) for i in auc[0:nb_events]
         ]
 
         for f in self.duplicates.get_items_comparison():
diff --git a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
index 29a5297..00e23d5 100644
--- a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
+++ b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: agenda_culturel\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-18 00:07+0200\n"
+"POT-Creation-Date: 2024-10-28 18:58+0100\n"
 "PO-Revision-Date: 2023-10-29 14:16+0000\n"
 "Last-Translator: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
 "Language-Team: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
@@ -91,46 +91,46 @@ msgid "Evening"
 msgstr "Soir"
 
 #: agenda_culturel/forms.py:44 agenda_culturel/models.py:171
-#: agenda_culturel/models.py:355 agenda_culturel/models.py:1378
-#: agenda_culturel/models.py:1480
+#: agenda_culturel/models.py:355 agenda_culturel/models.py:1401
+#: agenda_culturel/models.py:1506
 msgid "Category"
 msgstr "Catégorie"
 
-#: agenda_culturel/forms.py:48
+#: agenda_culturel/forms.py:47
 msgid "Optional. If you dont specify a category, well find it for you."
 msgstr ""
 "Facultatif. Si tu ne donnes pas la catégorie, on s'occupe de la trouver."
 
-#: agenda_culturel/forms.py:123
+#: agenda_culturel/forms.py:122
 msgid "The end date must be after the start date."
 msgstr "La date de fin doit être après la date de début."
 
-#: agenda_culturel/forms.py:139
+#: agenda_culturel/forms.py:138
 msgid "The end time cannot be earlier than the start time."
 msgstr "L'heure de fin ne peut pas être avant l'heure de début."
 
-#: agenda_culturel/forms.py:149
+#: agenda_culturel/forms.py:148
 msgid "JSON in the format expected for the import."
 msgstr "JSON dans le format attendu pour l'import"
 
-#: agenda_culturel/forms.py:407
+#: agenda_culturel/forms.py:406
 msgid "Apply category {} to the event {}"
 msgstr "Appliquer la catégorie {} à l'événement {}"
 
-#: agenda_culturel/forms.py:422 agenda_culturel/models.py:279
-#: agenda_culturel/models.py:1532
+#: agenda_culturel/forms.py:421 agenda_culturel/models.py:279
+#: agenda_culturel/models.py:1558
 msgid "Place"
 msgstr "Lieu"
 
-#: agenda_culturel/forms.py:424
+#: agenda_culturel/forms.py:423
 msgid "Create a missing place"
 msgstr "Créer un lieu manquant"
 
-#: agenda_culturel/forms.py:434
+#: agenda_culturel/forms.py:433
 msgid "Add \"{}\" to the aliases of the place"
 msgstr "Ajouter « {} » aux alias du lieu"
 
-#: agenda_culturel/forms.py:461
+#: agenda_culturel/forms.py:460
 msgid "On saving, use aliases to detect all matching events with missing place"
 msgstr ""
 "Lors de l'enregistrement, utiliser des alias pour détecter tous les "
@@ -138,7 +138,7 @@ msgstr ""
 
 #: agenda_culturel/models.py:49 agenda_culturel/models.py:94
 #: agenda_culturel/models.py:241 agenda_culturel/models.py:258
-#: agenda_culturel/models.py:1251 agenda_culturel/models.py:1324
+#: agenda_culturel/models.py:1273 agenda_culturel/models.py:1347
 msgid "Name"
 msgstr "Nom"
 
@@ -212,7 +212,18 @@ msgstr "Position pour ordonner les catégories"
 msgid "Categories"
 msgstr "Catégories"
 
-#: agenda_culturel/models.py:177 agenda_culturel/models.py:178
+#: agenda_culturel/models.py:178
+msgid "Fixed"
+msgstr "Résolu"
+
+#: agenda_culturel/models.py:179
+msgid ""
+"This duplicated events is fixed, ie exactly one of the listed events is not "
+"masked."
+msgstr "Cet événement dupliqué est résolu, c'est-à-dire qu'exactement un seul "
+"des événements listés n'est pas masqué."
+
+#: agenda_culturel/models.py:186 agenda_culturel/models.py:187
 msgid "Duplicated events"
 msgstr "Événements dupliqués"
 
@@ -272,7 +283,7 @@ msgstr ""
 msgid "Places"
 msgstr "Lieux"
 
-#: agenda_culturel/models.py:333 agenda_culturel/models.py:1365
+#: agenda_culturel/models.py:333 agenda_culturel/models.py:1388
 msgid "Published"
 msgstr "Publié"
 
@@ -292,7 +303,7 @@ msgstr "Titre"
 msgid "Short title"
 msgstr "Titre court"
 
-#: agenda_culturel/models.py:350 agenda_culturel/models.py:1448
+#: agenda_culturel/models.py:350 agenda_culturel/models.py:1474
 msgid "Status"
 msgstr "Status"
 
@@ -326,7 +337,7 @@ msgstr "Heure de fin"
 msgid "Recurrence"
 msgstr "Récurrence"
 
-#: agenda_culturel/models.py:390 agenda_culturel/models.py:1370
+#: agenda_culturel/models.py:390 agenda_culturel/models.py:1393
 msgid "Location"
 msgstr "Localisation"
 
@@ -378,181 +389,193 @@ msgstr "Description de l'illustration"
 msgid "Alternative text used by screen readers for the image"
 msgstr "Texte alternatif utiliser par les lecteurs d'écrans pour l'image"
 
+#: agenda_culturel/models.py:438
+msgid "Masked"
+msgstr "Masqué"
+
 #: agenda_culturel/models.py:439
+msgid "This event is masked by a duplicated version."
+msgstr "L'événement est masqué par une version dupliquée."
+
+#: agenda_culturel/models.py:447
 msgid "Importation source"
 msgstr "Source d'importation"
 
-#: agenda_culturel/models.py:440
+#: agenda_culturel/models.py:448
 msgid "Importation source used to detect removed entries."
 msgstr "Source d'importation utilisée pour détecter les éléments supprimés/"
 
-#: agenda_culturel/models.py:446
+#: agenda_culturel/models.py:454
 msgid "UUIDs"
 msgstr "UUIDs"
 
-#: agenda_culturel/models.py:447
+#: agenda_culturel/models.py:455
 msgid "UUIDs from import to detect duplicated entries."
 msgstr "UUIDs utilisés pendant l'import pour détecter les entrées dupliquées"
 
-#: agenda_culturel/models.py:453
+#: agenda_culturel/models.py:461
 msgid "URLs"
 msgstr "URLs"
 
-#: agenda_culturel/models.py:454
+#: agenda_culturel/models.py:462
 msgid "List of all the urls where this event can be found."
 msgstr "Liste de toutes les urls où l'événement peut être trouvé."
 
-#: agenda_culturel/models.py:461
+#: agenda_culturel/models.py:469
 msgid "Tags"
 msgstr "Étiquettes"
 
-#: agenda_culturel/models.py:462
+#: agenda_culturel/models.py:470
 msgid "A list of tags that describe the event."
 msgstr "Une liste d'étiquettes décrivant l'événement"
 
-#: agenda_culturel/models.py:469
+#: agenda_culturel/models.py:477
 msgid "Possibly duplicated"
 msgstr "Possibles doublons"
 
-#: agenda_culturel/models.py:518
+#: agenda_culturel/models.py:539
 msgid "Event"
 msgstr "Événement"
 
-#: agenda_culturel/models.py:519
+#: agenda_culturel/models.py:540
 msgid "Events"
 msgstr "Événements"
 
-#: agenda_culturel/models.py:1242
+#: agenda_culturel/models.py:1264
 msgid "Contact message"
 msgstr "Message de contact"
 
-#: agenda_culturel/models.py:1243
+#: agenda_culturel/models.py:1265
 msgid "Contact messages"
 msgstr "Messages de contact"
 
-#: agenda_culturel/models.py:1246
+#: agenda_culturel/models.py:1268
 msgid "Subject"
 msgstr "Sujet"
 
-#: agenda_culturel/models.py:1247
+#: agenda_culturel/models.py:1269
 msgid "The subject of your message"
 msgstr "Sujet de votre message"
 
-#: agenda_culturel/models.py:1252
+#: agenda_culturel/models.py:1274
 msgid "Your name"
 msgstr "Votre nom"
 
-#: agenda_culturel/models.py:1258
+#: agenda_culturel/models.py:1280
 msgid "Email address"
 msgstr "Adresse email"
 
-#: agenda_culturel/models.py:1259
+#: agenda_culturel/models.py:1281
 msgid "Your email address"
 msgstr "Votre adresse email"
 
-#: agenda_culturel/models.py:1264
+#: agenda_culturel/models.py:1286
 msgid "Message"
 msgstr "Message"
 
-#: agenda_culturel/models.py:1264
+#: agenda_culturel/models.py:1286
 msgid "Your message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:1269 agenda_culturel/views.py:934
+#: agenda_culturel/models.py:1291 agenda_culturel/views.py:944
 msgid "Spam"
 msgstr "Spam"
 
-#: agenda_culturel/models.py:1270
+#: agenda_culturel/models.py:1292
 msgid "This message is a spam."
 msgstr "Ce message est un spam."
 
-#: agenda_culturel/models.py:1275 agenda_culturel/views.py:929
+#: agenda_culturel/models.py:1297 agenda_culturel/views.py:939
 msgid "Closed"
 msgstr "Fermé"
 
-#: agenda_culturel/models.py:1277
+#: agenda_culturel/models.py:1299
 msgid "this message has been processed and no longer needs to be handled"
 msgstr "Ce message a été traité et ne nécessite plus d'être pris en charge"
 
-#: agenda_culturel/models.py:1282
+#: agenda_culturel/models.py:1304
 msgid "Comments"
 msgstr "Commentaires"
 
-#: agenda_culturel/models.py:1283
+#: agenda_culturel/models.py:1305
 msgid "Comments on the message from the moderation team"
 msgstr "Commentaires sur ce message par l'équipe de modération"
 
-#: agenda_culturel/models.py:1295 agenda_culturel/models.py:1428
+#: agenda_culturel/models.py:1317 agenda_culturel/models.py:1454
 msgid "Recurrent import"
 msgstr "Import récurrent"
 
-#: agenda_culturel/models.py:1296
+#: agenda_culturel/models.py:1318
 msgid "Recurrent imports"
 msgstr "Imports récurrents"
 
-#: agenda_culturel/models.py:1300
+#: agenda_culturel/models.py:1322
 msgid "ical"
 msgstr "ical"
 
-#: agenda_culturel/models.py:1301
+#: agenda_culturel/models.py:1323
 msgid "ical no busy"
 msgstr "ical sans busy"
 
-#: agenda_culturel/models.py:1302
+#: agenda_culturel/models.py:1324
 msgid "ical no VC"
 msgstr "ical sans VC"
 
-#: agenda_culturel/models.py:1303
+#: agenda_culturel/models.py:1325
 msgid "lacoope.org"
 msgstr "lacoope.org"
 
-#: agenda_culturel/models.py:1304
+#: agenda_culturel/models.py:1326
 msgid "la comédie"
 msgstr "la comédie"
 
-#: agenda_culturel/models.py:1305
+#: agenda_culturel/models.py:1327
 msgid "le fotomat"
 msgstr "le fotomat"
 
-#: agenda_culturel/models.py:1306
+#: agenda_culturel/models.py:1328
 #, fuzzy
 #| msgid "la puce à loreille"
 msgid "la puce à l'oreille"
 msgstr "la puce à loreille"
 
-#: agenda_culturel/models.py:1307
+#: agenda_culturel/models.py:1329
 msgid "Plugin wordpress MEC"
 msgstr "Plugin wordpress MEC"
 
-#: agenda_culturel/models.py:1308
+#: agenda_culturel/models.py:1330
 msgid "Événements d'une page FB"
 msgstr "Événements d'une page FB"
 
-#: agenda_culturel/models.py:1309
+#: agenda_culturel/models.py:1331
 msgid "la cour des 3 coquins"
 msgstr "la cour des 3 coquins"
 
-#: agenda_culturel/models.py:1312
+#: agenda_culturel/models.py:1332
+msgid "Arachnée concert"
+msgstr "Arachnée concert"
+
+#: agenda_culturel/models.py:1335
 msgid "simple"
 msgstr "simple"
 
-#: agenda_culturel/models.py:1313
+#: agenda_culturel/models.py:1336
 msgid "Headless Chromium"
 msgstr "chromium sans interface"
 
-#: agenda_culturel/models.py:1314
+#: agenda_culturel/models.py:1337
 msgid "Headless Chromium (pause)"
 msgstr "chromium sans interface (pause)"
 
-#: agenda_culturel/models.py:1319
+#: agenda_culturel/models.py:1342
 msgid "daily"
 msgstr "chaque jour"
 
-#: agenda_culturel/models.py:1321
+#: agenda_culturel/models.py:1344
 msgid "weekly"
 msgstr "chaque semaine"
 
-#: agenda_culturel/models.py:1326
+#: agenda_culturel/models.py:1349
 msgid ""
 "Recurrent import name. Be careful to choose a name that is easy to "
 "understand, as it will be public and displayed on the sites About page."
@@ -560,135 +583,135 @@ msgstr ""
 "Nom de l'import récurrent. Attention à choisir un nom compréhensible, car il "
 "sera public, et affiché sur la page à propos du site."
 
-#: agenda_culturel/models.py:1333
+#: agenda_culturel/models.py:1356
 msgid "Processor"
 msgstr "Processeur"
 
-#: agenda_culturel/models.py:1336
+#: agenda_culturel/models.py:1359
 msgid "Downloader"
 msgstr "Téléchargeur"
 
-#: agenda_culturel/models.py:1343
+#: agenda_culturel/models.py:1366
 msgid "Import recurrence"
 msgstr "Récurrence d'import"
 
-#: agenda_culturel/models.py:1350
+#: agenda_culturel/models.py:1373
 msgid "Source"
 msgstr "Source"
 
-#: agenda_culturel/models.py:1351
+#: agenda_culturel/models.py:1374
 msgid "URL of the source document"
 msgstr "URL du document source"
 
-#: agenda_culturel/models.py:1355
+#: agenda_culturel/models.py:1378
 msgid "Browsable url"
 msgstr "URL navigable"
 
-#: agenda_culturel/models.py:1357
+#: agenda_culturel/models.py:1380
 msgid "URL of the corresponding document that will be shown to visitors."
 msgstr "URL correspondant au document et qui sera montrée aux visiteurs"
 
-#: agenda_culturel/models.py:1366
+#: agenda_culturel/models.py:1389
 msgid "Status of each imported event (published or draft)"
 msgstr "Status de chaque événement importé (publié ou brouillon)"
 
-#: agenda_culturel/models.py:1371
+#: agenda_culturel/models.py:1394
 msgid "Address for each imported event"
 msgstr "Adresse de chaque événement importé"
 
-#: agenda_culturel/models.py:1379
+#: agenda_culturel/models.py:1402
 msgid "Category of each imported event"
 msgstr "Catégorie de chaque événement importé"
 
-#: agenda_culturel/models.py:1387
+#: agenda_culturel/models.py:1410
 msgid "Tags for each imported event"
 msgstr "Étiquettes de chaque événement importé"
 
-#: agenda_culturel/models.py:1388
+#: agenda_culturel/models.py:1411
 msgid "A list of tags that describe each imported event."
 msgstr "Une liste d'étiquettes décrivant chaque événement importé"
 
-#: agenda_culturel/models.py:1414
+#: agenda_culturel/models.py:1440
 msgid "Running"
 msgstr "En cours"
 
-#: agenda_culturel/models.py:1415
+#: agenda_culturel/models.py:1441
 msgid "Canceled"
 msgstr "Annulé"
 
-#: agenda_culturel/models.py:1416
+#: agenda_culturel/models.py:1442
 msgid "Success"
 msgstr "Succès"
 
-#: agenda_culturel/models.py:1417
+#: agenda_culturel/models.py:1443
 msgid "Failed"
 msgstr "Erreur"
 
-#: agenda_culturel/models.py:1420
+#: agenda_culturel/models.py:1446
 msgid "Batch importation"
 msgstr "Importation par lot"
 
-#: agenda_culturel/models.py:1421
+#: agenda_culturel/models.py:1447
 msgid "Batch importations"
 msgstr "Importations par lot"
 
-#: agenda_culturel/models.py:1429
+#: agenda_culturel/models.py:1455
 msgid "Reference to the recurrent import processing"
 msgstr "Référence du processus d'import récurrent"
 
-#: agenda_culturel/models.py:1437
+#: agenda_culturel/models.py:1463
 msgid "URL (if not recurrent import)"
 msgstr "URL (si pas d'import récurrent)"
 
-#: agenda_culturel/models.py:1439
+#: agenda_culturel/models.py:1465
 msgid "Source URL if no RecurrentImport is associated."
 msgstr "URL source si aucun import récurrent n'est associé"
 
-#: agenda_culturel/models.py:1452
+#: agenda_culturel/models.py:1478
 msgid "Error message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:1456
+#: agenda_culturel/models.py:1482
 msgid "Number of collected events"
 msgstr "Nombre d'événements collectés"
 
-#: agenda_culturel/models.py:1459
+#: agenda_culturel/models.py:1485
 msgid "Number of imported events"
 msgstr "Nombre d'événements importés"
 
-#: agenda_culturel/models.py:1462
+#: agenda_culturel/models.py:1488
 msgid "Number of updated events"
 msgstr "Nombre d'événements mis à jour"
 
-#: agenda_culturel/models.py:1465
+#: agenda_culturel/models.py:1491
 msgid "Number of removed events"
 msgstr "Nombre d'événements supprimés"
 
-#: agenda_culturel/models.py:1473
+#: agenda_culturel/models.py:1499
 msgid "Weight"
 msgstr "Poids"
 
-#: agenda_culturel/models.py:1474
+#: agenda_culturel/models.py:1500
 msgid "The lower is the weight, the earlier the filter is applied"
 msgstr "Plus le poids est léger, plus le filtre sera appliqué tôt"
 
-#: agenda_culturel/models.py:1481
+#: agenda_culturel/models.py:1507
 msgid "Category applied to the event"
 msgstr "Catégorie appliquée à l'événement"
 
-#: agenda_culturel/models.py:1486
+#: agenda_culturel/models.py:1512
 msgid "Contained in the title"
 msgstr "Contenu dans le titre"
 
-#: agenda_culturel/models.py:1487
+#: agenda_culturel/models.py:1513
 msgid "Text contained in the event title"
 msgstr "Texte contenu dans le titre de l'événement"
 
-#: agenda_culturel/models.py:1493
+#: agenda_culturel/models.py:1519
 msgid "Exact title extract"
 msgstr "Extrait exact du titre"
 
-#: agenda_culturel/models.py:1495
+#: agenda_culturel/models.py:1521
 msgid ""
 "If checked, the extract will be searched for in the title using the exact "
 "form (capitals, accents)."
@@ -696,19 +719,19 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans le titre en utilisant la forme "
 "exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:1501
+#: agenda_culturel/models.py:1527
 msgid "Contained in the description"
 msgstr "Contenu dans la description"
 
-#: agenda_culturel/models.py:1502
+#: agenda_culturel/models.py:1528
 msgid "Text contained in the description"
 msgstr "Texte contenu dans la description"
 
-#: agenda_culturel/models.py:1508
+#: agenda_culturel/models.py:1534
 msgid "Exact description extract"
 msgstr "Extrait exact de description"
 
-#: agenda_culturel/models.py:1510
+#: agenda_culturel/models.py:1536
 msgid ""
 "If checked, the extract will be searched for in the description using the "
 "exact form (capitals, accents)."
@@ -716,19 +739,19 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans la description en utilisant la forme "
 "exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:1516
+#: agenda_culturel/models.py:1542
 msgid "Contained in the location"
 msgstr "Contenu dans la localisation"
 
-#: agenda_culturel/models.py:1517
+#: agenda_culturel/models.py:1543
 msgid "Text contained in the event location"
 msgstr "Texte contenu dans la localisation de l'événement"
 
-#: agenda_culturel/models.py:1523
+#: agenda_culturel/models.py:1549
 msgid "Exact location extract"
 msgstr "Extrait exact de localisation"
 
-#: agenda_culturel/models.py:1525
+#: agenda_culturel/models.py:1551
 msgid ""
 "If checked, the extract will be searched for in the location using the exact "
 "form (capitals, accents)."
@@ -736,56 +759,56 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans la localisation en utilisant la "
 "forme exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:1533
+#: agenda_culturel/models.py:1559
 msgid "Location from place"
 msgstr "Localisation depuis le lieu"
 
-#: agenda_culturel/models.py:1540
+#: agenda_culturel/models.py:1566
 msgid "Categorisation rule"
 msgstr "Règle de catégorisation"
 
-#: agenda_culturel/models.py:1541
+#: agenda_culturel/models.py:1567
 msgid "Categorisation rules"
 msgstr "Règles de catégorisation"
 
-#: agenda_culturel/models.py:1608 agenda_culturel/models.py:1640
+#: agenda_culturel/models.py:1634 agenda_culturel/models.py:1666
 msgid "Question"
 msgstr "Question"
 
-#: agenda_culturel/models.py:1609 agenda_culturel/models.py:1647
+#: agenda_culturel/models.py:1635 agenda_culturel/models.py:1673
 msgid "Text that will be shown to moderators"
 msgstr "Text tel que présenté aux modérateurices"
 
-#: agenda_culturel/models.py:1615
+#: agenda_culturel/models.py:1641
 msgid "Moderation question"
 msgstr "Question de modération"
 
-#: agenda_culturel/models.py:1616
+#: agenda_culturel/models.py:1642
 msgid "Moderation questions"
 msgstr "Questions de modération"
 
-#: agenda_culturel/models.py:1641
+#: agenda_culturel/models.py:1667
 msgid "Associated question from moderation"
 msgstr "Question associée pour la modération"
 
-#: agenda_culturel/models.py:1646
+#: agenda_culturel/models.py:1672
 msgid "Answer"
 msgstr "Réponse"
 
-#: agenda_culturel/models.py:1653
+#: agenda_culturel/models.py:1679
 msgid "Adds tags"
 msgstr "Ajoute les étiquettes"
 
-#: agenda_culturel/models.py:1654
+#: agenda_culturel/models.py:1680
 msgid "A list of tags that will be added if you choose this answer."
 msgstr ""
 "Une liste d'étiquettes qui seront ajoutées si vous choisissez cette réponse."
 
-#: agenda_culturel/models.py:1660
+#: agenda_culturel/models.py:1686
 msgid "Removes tags"
 msgstr "Retire les étiquettes"
 
-#: agenda_culturel/models.py:1661
+#: agenda_culturel/models.py:1687
 msgid "A list of tags that will be removed if you choose this answer."
 msgstr ""
 "Une liste d'étiquettes qui seront retirées si vous choisissez cette réponse."
@@ -890,97 +913,92 @@ msgstr "Intégration de {} url(s) dans notre processus d'import."
 msgid "Integrating {} into our import process."
 msgstr "Intégration de {} dans notre processus d'import."
 
-#: agenda_culturel/views.py:889
+#: agenda_culturel/views.py:899
 msgid "Your message has been sent successfully."
 msgstr "Votre message a été envoyé avec succès."
 
-#: agenda_culturel/views.py:899
+#: agenda_culturel/views.py:909
 msgid "The contact message has been successfully deleted."
 msgstr "Le message de contact a été supprimé avec succès."
 
-#: agenda_culturel/views.py:913
+#: agenda_culturel/views.py:923
 msgid "The contact message properties has been successfully modified."
 msgstr "Les propriétés du message de contact ont été modifié avec succès."
 
-#: agenda_culturel/views.py:929
+#: agenda_culturel/views.py:939
 msgid "Open"
 msgstr "Ouvert"
 
-#: agenda_culturel/views.py:934
+#: agenda_culturel/views.py:944
 msgid "Non spam"
 msgstr "Non spam"
 
-#: agenda_culturel/views.py:997
+#: agenda_culturel/views.py:1007
 #, fuzzy
 #| msgid "The event has been successfully deleted."
 msgid "Spam has been successfully deleted."
 msgstr "L'événement a été supprimé avec succès"
 
-#: agenda_culturel/views.py:1014
+#: agenda_culturel/views.py:1024
 msgid "Search"
 msgstr "Rechercher"
 
-#: agenda_culturel/views.py:1200
+#: agenda_culturel/views.py:1210
 msgid "The import has been run successfully."
 msgstr "L'import a été lancé avec succès"
 
-#: agenda_culturel/views.py:1219
+#: agenda_culturel/views.py:1229
 msgid "The import has been canceled."
 msgstr "L'import a été annulé"
 
-#: agenda_culturel/views.py:1293
+#: agenda_culturel/views.py:1303
 msgid "The recurrent import has been successfully modified."
 msgstr "L'import récurrent a été modifié avec succès."
 
-#: agenda_culturel/views.py:1302
+#: agenda_culturel/views.py:1312
 msgid "The recurrent import has been successfully deleted."
 msgstr "L'import récurrent a été supprimé avec succès"
 
-#: agenda_culturel/views.py:1342
+#: agenda_culturel/views.py:1352
 msgid "The import has been launched."
 msgstr "L'import a été lancé"
 
-#: agenda_culturel/views.py:1364
+#: agenda_culturel/views.py:1374
 msgid "Imports has been launched."
 msgstr "Les imports ont été lancés"
 
-#: agenda_culturel/views.py:1449
-msgid "The merge has been successfully completed."
-msgstr "La fusion a été réalisée avec succès."
+#: agenda_culturel/views.py:1467
+msgid "Creation of a merged event has been successfully completed."
+msgstr "Création d'un événement fusionné réalisée avec succès."
 
-#: agenda_culturel/views.py:1483
+#: agenda_culturel/views.py:1504
 msgid "Events have been marked as unduplicated."
 msgstr "Les événements ont été marqués comme non dupliqués."
 
-#: agenda_culturel/views.py:1505
-msgid ""
-"The selected event has been retained, while the other has been moved to the "
-"recycle bin."
+#: agenda_culturel/views.py:1526
+msgid "The selected event has been retained, while the other has been masked."
 msgstr ""
-"L'événement sélectionné a été conservé, l'autre a été déplacé dans la "
-"corbeille."
+"L'événement sélectionné a été retenu, l'autre a été masqué."
 
-#: agenda_culturel/views.py:1512
+#: agenda_culturel/views.py:1533
 msgid ""
-"The selected event has been retained, while the others have been moved to "
-"the recycle bin."
+"The selected event has been retained, while the others havec been masked."
 msgstr ""
-"L'événement sélectionné a été conservé, les autres ont été déplacés dans la "
-"corbeille."
+"L'événement sélectionné a été retenu, les autres ont été masqués."
 
-#: agenda_culturel/views.py:1523
+#: agenda_culturel/views.py:1546
 msgid "The event has been withdrawn from the group and made independent."
 msgstr "L'événement a été retiré du groupe et rendu indépendant."
 
-#: agenda_culturel/views.py:1556
+#: agenda_culturel/views.py:1578
 msgid "Cleaning up duplicates: {} item(s) removed."
 msgstr "Nettoyage des dupliqués: {} élément(s) supprimés."
 
-#: agenda_culturel/views.py:1600
+#: agenda_culturel/views.py:1625
 msgid "The event was successfully duplicated."
 msgstr "L'événement a été marqué dupliqué avec succès."
 
-#: agenda_culturel/views.py:1608
+#: agenda_culturel/views.py:1633
 msgid ""
 "The event has been successfully flagged as a duplicate. The moderation team "
 "will deal with your suggestion shortly."
@@ -988,63 +1006,63 @@ msgstr ""
 "L'événement a été signalé comme dupliqué avec succès. Votre suggestion sera "
 "prochainement prise en charge par l'équipe de modération."
 
-#: agenda_culturel/views.py:1661
+#: agenda_culturel/views.py:1686
 msgid "The categorisation rule has been successfully modified."
 msgstr "La règle de catégorisation a été modifiée avec succès."
 
-#: agenda_culturel/views.py:1670
+#: agenda_culturel/views.py:1695
 msgid "The categorisation rule has been successfully deleted."
 msgstr "La règle de catégorisation a été supprimée avec succès"
 
-#: agenda_culturel/views.py:1692 agenda_culturel/views.py:1739
+#: agenda_culturel/views.py:1717 agenda_culturel/views.py:1764
 msgid "The rules were successfully applied and 1 event was categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et 1 événement a été catégorisé"
 
-#: agenda_culturel/views.py:1699 agenda_culturel/views.py:1746
+#: agenda_culturel/views.py:1724 agenda_culturel/views.py:1771
 msgid "The rules were successfully applied and {} events were categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et {} événements ont été "
 "catégorisés"
 
-#: agenda_culturel/views.py:1706 agenda_culturel/views.py:1753
+#: agenda_culturel/views.py:1731 agenda_culturel/views.py:1778
 msgid "The rules were successfully applied and no events were categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et aucun événement n'a été "
 "catégorisé"
 
-#: agenda_culturel/views.py:1793
+#: agenda_culturel/views.py:1818
 msgid "The moderation question has been created with success."
 msgstr "La question de modération a été créée avec succès."
 
-#: agenda_culturel/views.py:1919 agenda_culturel/views.py:1981
-#: agenda_culturel/views.py:2019
+#: agenda_culturel/views.py:1944 agenda_culturel/views.py:2006
+#: agenda_culturel/views.py:2044
 msgid "{} events have been updated."
 msgstr "{} événements ont été mis à jour."
 
-#: agenda_culturel/views.py:1922 agenda_culturel/views.py:1983
-#: agenda_culturel/views.py:2022
+#: agenda_culturel/views.py:1947 agenda_culturel/views.py:2008
+#: agenda_culturel/views.py:2047
 msgid "1 event has been updated."
 msgstr "1 événement a été mis à jour"
 
-#: agenda_culturel/views.py:1924 agenda_culturel/views.py:1985
-#: agenda_culturel/views.py:2024
+#: agenda_culturel/views.py:1949 agenda_culturel/views.py:2010
+#: agenda_culturel/views.py:2049
 msgid "No events have been modified."
 msgstr "Aucun événement n'a été modifié."
 
-#: agenda_culturel/views.py:1933
+#: agenda_culturel/views.py:1958
 msgid "The place has been successfully updated."
 msgstr "Le lieu a été modifié avec succès."
 
-#: agenda_culturel/views.py:1942
+#: agenda_culturel/views.py:1967
 msgid "The place has been successfully created."
 msgstr "Le lieu a été créé avec succès."
 
-#: agenda_culturel/views.py:2007
+#: agenda_culturel/views.py:2032
 msgid "The selected place has been assigned to the event."
 msgstr "Le lieu sélectionné a été assigné à l'événement."
 
-#: agenda_culturel/views.py:2011
+#: agenda_culturel/views.py:2036
 msgid "A new alias has been added to the selected place."
 msgstr "Un nouvel alias a été créé pour le lieu sélectionné."
 
diff --git a/src/agenda_culturel/migrations/0091_duplicatedevents_fixed_event_masked.py b/src/agenda_culturel/migrations/0091_duplicatedevents_fixed_event_masked.py
new file mode 100644
index 0000000..4c7ad8a
--- /dev/null
+++ b/src/agenda_culturel/migrations/0091_duplicatedevents_fixed_event_masked.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.9 on 2024-10-20 11:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0090_alter_recurrentimport_processor'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='duplicatedevents',
+            name='fixed',
+            field=models.BooleanField(blank=True, default=False, help_text='This duplicated events is fixed, ie exactly one of the listed events is not masked.', null=True, verbose_name='Fixed'),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='masked',
+            field=models.BooleanField(blank=True, default=False, help_text='This event is masked by a duplicated version.', null=True, verbose_name='Masked'),
+        ),
+    ]
diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index 7f7dd06..5583b51 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -173,28 +173,60 @@ class Category(models.Model):
 
 
 class DuplicatedEvents(models.Model):
+
+    fixed = models.BooleanField(
+        verbose_name=_("Fixed"),
+        help_text=_("This duplicated events is fixed, ie exactly one of the listed events is not masked."),
+        default=False,
+        blank=True,
+        null=True,
+    )
+
     class Meta:
         verbose_name = _("Duplicated events")
         verbose_name_plural = _("Duplicated events")
 
     def nb_duplicated(self):
-        return Event.objects.filter(possibly_duplicated=self).count()
+        return self.event_set.count()
+
+    def nb_duplicated_not_fixed(self):
+        return self.event_set.filter(possibly_duplicated=self, fixed=False).count()
 
     def get_duplicated(self):
-        return Event.objects.filter(possibly_duplicated=self).order_by(
+        return self.event_set.order_by(
             "created_date"
         )
 
+    def get_absolute_url(self):
+        return reverse("view_duplicate", kwargs={"pk": self.pk})
+
+    def get_one_event(self):
+        return self.event_set.filter(masked=False).first()
+
     def merge_into(self, other):
         # for all objects associated to this group
-        for e in Event.objects.filter(possibly_duplicated=self):
+        for e in self.event_set.all():
             # change their group membership
             e.possibly_duplicated = other
             # save them
             e.save()
+        other.save(force_fixed=False)
         # then delete the empty group
         self.delete()
 
+    def fix(self, event=None):
+        events = self.event_set.all()
+        if event is None:
+            events = events.sort_by("-created_date")
+        for e in events:
+            if event is None:
+                event = e
+            e.masked = e != event
+        Event.objects.bulk_update(events, fields=["masked"])
+        self.save()
+        return len(events)
+        
+
     def merge_groups(groups):
         if len(groups) == 0:
             return None
@@ -216,8 +248,8 @@ class DuplicatedEvents(models.Model):
         nb, d = singletons.delete()
         return nb
 
-    def remove_similar_entries():
-        to_be_removed = []
+    def fix_similar_entries():
+        to_be_fixed = []
 
         dup_events = Event.objects.order_by('possibly_duplicated').prefetch_related('possibly_duplicated', 'category')
         duplicates = defaultdict(list)
@@ -228,15 +260,28 @@ class DuplicatedEvents(models.Model):
             comp = Event.get_comparison(duplicates[d])
             similar = len([c for c in comp if not c["similar"]]) == 0
             if similar:
-                to_be_removed.append(d)
+                to_be_fixed.append(d)
 
-        nb = len(to_be_removed)
+        nb = len(to_be_fixed)
         if nb > 0:
             logger.warning("Removing: " + str(nb) + " similar duplicated")
-        for s in to_be_removed:
-            s.delete()
+        for s in to_be_fixed:
+            s.fix()
+
         return nb
 
+
+    def save(self, *args, **kwargs):
+        if "force_fixed" in kwargs:
+            self.fixed = kwargs["force_fixed"]
+            del kwargs["force_fixed"]
+        elif not self.pk:
+            self.fixed = False
+        else:
+            self.fixed = self.event_set.filter(masked=False).count() == 1
+
+        super().save(*args, **kwargs)
+
 class ReferenceLocation(models.Model):
     name = models.CharField(verbose_name=_("Name"), help_text=_("Name of the location"), unique=True, null=False)
     location = LocationField(based_fields=["name"], zoom=12, default=Point(3.08333, 45.783329), srid=4326)
@@ -434,6 +479,14 @@ class Event(models.Model):
         max_length=1024,
     )
 
+    masked = models.BooleanField(
+        verbose_name=_("Masked"),
+        help_text=_("This event is masked by a duplicated version."),
+        default=False,
+        blank=True,
+        null=True,
+    )
+
     import_sources = ArrayField(
         models.CharField(max_length=512),
         verbose_name=_("Importation source"),
@@ -487,10 +540,13 @@ class Event(models.Model):
         last = self.get_consolidated_end_day()
         return [first + timedelta(n) for n in range(int((last - first).days) + 1)]
 
-    def get_nb_events_same_dates(self):
+    def get_nb_events_same_dates(self, remove_same_dup=True):
         first = self.start_day
         last = self.get_consolidated_end_day()
-        calendar = CalendarList(first, last, exact=True)
+        ignore_dup = None
+        if remove_same_dup:
+            ignore_dup = self.possibly_duplicated
+        calendar = CalendarList(first, last, exact=True, ignore_dup=ignore_dup)
         return [(len(d.events), d.date) for dstr, d in calendar.get_calendar_days().items()]
 
     def is_single_day(self, intuitive=True):
@@ -911,6 +967,7 @@ class Event(models.Model):
         for attr in Event.data_fields(all=True, local_img=False, exact_location=False):
             values = [getattr(e, attr) for e in events]
             values = ["" if v is None else v for v in values]
+            values = [[] if attr == "tags" and v is "" else v for v in values]
             # only consider fixed part of Facebook urls
             if attr == "image":
                 values = [v.split("?")[0] if "fbcdn.net" in v else v for v in values]
@@ -941,7 +998,7 @@ class Event(models.Model):
         else:
             # otherwise merge existing groups
             group = DuplicatedEvents.merge_groups(groups)
-        group.save()
+        group.save(force_fixed=False)
 
         # set the possibly duplicated group for the current object
         self.possibly_duplicated = group
@@ -1170,7 +1227,7 @@ class Event(models.Model):
 
         return dtstart, dtend
 
-    def get_concurrent_events(self):
+    def get_concurrent_events(self, remove_same_dup=True):
         day = self.current_date if hasattr(self, "current_date") else self.start_day
         day_events = CalendarDay(self.start_day).get_events()
         return [
@@ -1179,6 +1236,7 @@ class Event(models.Model):
             if e != self
             and self.is_concurrent_event(e, day)
             and e.status == Event.STATUS.PUBLISHED
+            and (e.possibly_duplicated is None or e.possibly_duplicated != self.possibly_duplicated)
         ]
 
     def is_concurrent_event(self, e, day):
diff --git a/src/agenda_culturel/static/style.scss b/src/agenda_culturel/static/style.scss
index 3312de5..2bdd1f0 100644
--- a/src/agenda_culturel/static/style.scss
+++ b/src/agenda_culturel/static/style.scss
@@ -886,8 +886,8 @@ aside nav a.badge {
     float: right;
 }
 
-aside nav.paragraph li a {
-    display: inline-block;
+aside nav.paragraph li a, aside .no-breakline li a {
+    display: inline;
 }
 
 .body-fixed {
@@ -1027,6 +1027,9 @@ article>article {
         @extend .badge-circle;
         font-size: 140%;
     }
+    .badge-secondary {
+        background-color: var(--secondary);
+    }
     li {
         list-style-type: none;
     }
@@ -1039,15 +1042,20 @@ article>article {
         background: rgba(255, 0, 76, 0.1);
         border-radius: 0.5em;
     }
+}
+.badge-small {
+    @extend .badge-circle;
+    font-size: 70%;
+    width: 2em;
+    height: 2em;
+    line-height: 2em;
+    margin-right: 1em;
+}
 
-    .badge-small {
-        @extend .badge-circle;
-        font-size: 70%;
-        width: 2em;
-        height: 2em;
-        line-height: 2em;
-        margin-right: 1em;
-    }
+span.badge-small {
+    display: inline-block;
+    float: none;
+    margin-right: 0;
 }
 
 .strike {
diff --git a/src/agenda_culturel/templates/agenda_culturel/duplicate-diff-inc.html b/src/agenda_culturel/templates/agenda_culturel/duplicate-diff-inc.html
new file mode 100644
index 0000000..2c09214
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/duplicate-diff-inc.html
@@ -0,0 +1,31 @@
+{% load utils_extra %}
+{% load event_extra %}
+
+<div class="grid">
+{% for e in object.get_duplicated %}
+    <div class="grid entete-badge">
+        <div class="badge-large{% if e.masked %} badge-secondary{% endif %}">
+        {{ forloop.counter0|int_to_abc }} 
+        </div>
+            <ul>
+                <li>{{ e|picto_status }} <a href="{{ e.get_absolute_url }}">{{ e.title }}</a></li>
+                <li>Masqué&nbsp;: {{ e.masked|yesno:"Oui,Non"  }}</li>
+                <li>Création&nbsp;: {{ e.created_date }}</li>
+                <li>Dernière modification&nbsp;: {{ e.modified_date }}</li>
+                {% if e.imported_date %}<li>Dernière importation&nbsp;: {{ e.imported_date }}</li>{% endif %}
+            </ul>
+    </div>
+{% endfor %}
+</div>
+{% for e in object.get_items_comparison %}
+    <h3>{% event_field_verbose_name e.key %}</h3>
+    {% if e.similar %}
+    <div class="comparison-item">Identique&nbsp;: {% field_to_html e.values e.key %}</div>
+    {% else %}
+    <div class="grid comparison-item">
+        {% for i in e.values %}
+        <div class="duplicated"><div class="badge-small">{{ forloop.counter0|int_to_abc }} </div> {% field_to_html i e.key %}</div>
+        {% endfor %}
+    </div>
+    {% endif %}
+{% endfor %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/duplicate-inc.html b/src/agenda_culturel/templates/agenda_culturel/duplicate-inc.html
new file mode 100644
index 0000000..c584bc2
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/duplicate-inc.html
@@ -0,0 +1,25 @@
+{% load cat_extra %}
+{% load utils_extra %}
+{% load event_extra %}
+
+
+<article>
+    <header><a href="{% url 'view_duplicate' duplicate.pk %}">
+        {% if duplicate.fixed %}Duplication{% else %}Possible duplication{% endif %}
+        &nbsp;:</a> {{ events|length }} événements le {{ events.0.start_day }}
+    </header>
+    <ul>
+    {% for e in events %}
+        <li>{{ e.start_day }}{% if e.start_time %} à {{ e.start_time }}{% endif %}&nbsp;: {{ e|picto_status }} <a href="{{ e.get_absolute_url }}">{{ e.title }}</a> créé le {{ e.created_date }}</li>
+    {% endfor %}
+    </ul>
+    {% if perms.agenda_culturel.change_duplicatedevents %}
+    <footer class="infos-and-buttons">
+        <div class="infos"></div>
+        <div class="buttons">
+            <a role="button" href="{% url 'view_duplicate' duplicate.pk %}">Consulter {% picto_from_name "eye" %}</a>
+            <a role="button" href="{% url 'fix_duplicate' duplicate.pk %}">{% if duplicate.fixed %}Modifier{% else %}Corriger{% endif %} {% picto_from_name "tool" %}</a>
+        </div>
+    </footer>
+    {% endif %}
+</article>
diff --git a/src/agenda_culturel/templates/agenda_culturel/duplicate-info-inc.html b/src/agenda_culturel/templates/agenda_culturel/duplicate-info-inc.html
new file mode 100644
index 0000000..fbaf216
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/duplicate-info-inc.html
@@ -0,0 +1,11 @@
+<article>
+    <header><h2>Informations techniques</h2></header>
+    {% for e in object.get_duplicated %}
+    <article>
+        <header>
+        <h3>{{ e }}</h3>
+        </header>
+        {% include "agenda_culturel/event-info-inc.html" with object=e %}
+    </article>
+    {% endfor %}
+</article>
diff --git a/src/agenda_culturel/templates/agenda_culturel/duplicate.html b/src/agenda_culturel/templates/agenda_culturel/duplicate.html
new file mode 100644
index 0000000..cfceb96
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/duplicate.html
@@ -0,0 +1,41 @@
+{% extends "agenda_culturel/page-admin.html" %}
+
+{% load utils_extra %}
+{% load event_extra %}
+
+
+{% load cat_extra %}
+{% block entete_header %}
+    {% css_categories %}
+{% endblock %}
+
+{% block content %}
+<article>
+    <header>
+        <a href="{% url 'duplicates' %}" role="button">&lt; Tous les dupliqués</a>    
+
+        <h1>{% block title %}{% block og_title %}Événements {% if not object.fixed %}possiblement{% endif %} dupliqués{% endblock %}{% endblock %}</h1>
+        {% if object.fixed %}
+        <p>Les événements ci-dessous sont des duplicats du même événement, probablement issus de différentes
+            sources. La version qui sera affichée aux internautes en priorité est la version
+            {% for e in object.get_duplicated %}{% if not e.masked %}<span class="badge-small">{{ forloop.counter0|int_to_abc }}</span>{% endif %}{% endfor %}.
+            </p>
+        {% else %}
+        <p>Les événements ci-dessous ont été détectés ou signalés comme possiblement dupliqué.
+            Les éléments qui diffèrent ont été dupliqués et mis en évidence. </p>
+        {% endif %}
+
+        <div class="infos-and-buttons">
+            <div class="infos"></div>
+            <div class="buttons">
+                <a role="button" href="{% url 'fix_duplicate' object.pk %}">Corriger {% picto_from_name "tool" %}</a>
+            </div>
+        </div>
+    </header>
+    {% include "agenda_culturel/duplicate-diff-inc.html" with object=object %}
+</article>
+
+{% include "agenda_culturel/duplicate-info-inc.html" with object=object %}
+
+{% endblock %}
+
diff --git a/src/agenda_culturel/templates/agenda_culturel/duplicates.html b/src/agenda_culturel/templates/agenda_culturel/duplicates.html
index ba99e85..0207046 100644
--- a/src/agenda_culturel/templates/agenda_culturel/duplicates.html
+++ b/src/agenda_culturel/templates/agenda_culturel/duplicates.html
@@ -3,7 +3,7 @@
 {% load utils_extra %}
 {% load event_extra %}
 
-{% block title %}{% block og_title %}Événements possiblement dupliqués{% endblock %}{% endblock %}
+{% block title %}{% block og_title %}Événements dupliqués{% endblock %}{% endblock %}
 
 {% load cat_extra %}
 {% block entete_header %}
@@ -19,29 +19,19 @@
 <div class="grid two-columns">
 <article>
     <header>
-        <h1>Événements possiblement dupliqués</h1>
+        <h1>Événements dupliqués</h1>
+        <form method="get" class="form django-form recent moderation-events">
+            {{ filter.form.as_div }}<br />
+            <button type="submit">Filtrer</button><br />
+        </form>
+
+    <p>{{ paginator.count }} événement{{ paginator.count|pluralize }} dupliqués {% if filter.form.fixed.value %}sont résolus{% else %}doivent être résolus{% endif %}.</p>
     </header>
 
     <div>
 {% for obj in paginator_filter %}
     {% with obj.get_duplicated as events %}
-    <article>
-        <header><a href="{% url 'view_duplicate' obj.pk %}">Possible duplication&nbsp;:</a> {{ events|length }} événements le {{ events.0.start_day }}
-        </header>
-        <ul>
-        {% for e in events %}
-            <li>{{ e.start_day }}{% if e.start_time %} à {{ e.start_time }}{% endif %}&nbsp;: {{ e|picto_status }} <a href="{{ e.get_absolute_url }}">{{ e.title }}</a> créé le {{ e.created_date }}</li>
-        {% endfor %}
-        </ul>
-        {% if perms.agenda_culturel.change_duplicatedevents %}
-        <footer class="infos-and-buttons">
-            <div class="infos"></div>
-            <div class="buttons">
-                <a role="button" href="{% url 'fix_duplicate' obj.pk %}">Corriger {% picto_from_name "tool" %}</a>
-            </div>
-        </footer>
-        {% endif %}
-    </article>
+    {% include "agenda_culturel/duplicate-inc.html" with duplicate=obj events=events %}
     {% endwith %}
 {% endfor %}
     </div>
diff --git a/src/agenda_culturel/templates/agenda_culturel/event-info-inc.html b/src/agenda_culturel/templates/agenda_culturel/event-info-inc.html
index fd968dc..21c8cb9 100644
--- a/src/agenda_culturel/templates/agenda_culturel/event-info-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/event-info-inc.html
@@ -5,6 +5,7 @@
         {% if object.modified_date %}<li>Dernière modification&nbsp;: {{ object.modified_date }}</li>{% endif %}
         {% if object.moderated_date %}<li>Dernière modération&nbsp;: {{ object.moderated_date }}</li>{% endif %}
         {% if object.imported_date %}<li>Dernière importation&nbsp;: {{ object.imported_date }}</li>{% endif %}
+        <li>Masqué&nbsp;: {{ object.masked }}</li>
         {% if object.uuids %}
             {% if object.uuids|length > 0 %}
                 <li>UUIDs (identifiants uniques d'événements dans les sources)&nbsp;:
diff --git a/src/agenda_culturel/templates/agenda_culturel/fix_duplicate.html b/src/agenda_culturel/templates/agenda_culturel/fix_duplicate.html
index 7adb993..5e6cc00 100644
--- a/src/agenda_culturel/templates/agenda_culturel/fix_duplicate.html
+++ b/src/agenda_culturel/templates/agenda_culturel/fix_duplicate.html
@@ -3,7 +3,6 @@
 {% load utils_extra %}
 {% load event_extra %}
 
-{% block title %}{% block og_title %}Événements possiblement dupliqués{% endblock %}{% endblock %}
 
 {% load cat_extra %}
 {% block entete_header %}
@@ -13,11 +12,17 @@
 {% block content %}
 <article>
     <header>
-        <h1>Corriger des événements possiblement dupliqués</h1>
+        <h1>{% block title %}{% block og_title %}{% if object.fixed %}Modifier{% else %}Corriger{% endif %} des événements {% if not object.fixed %}possiblement{% endif %} dupliqués{% endblock %}{% endblock %}</h1>
+        {% if object.fixed %}
+        <p>Les événements ci-dessous sont des duplicats du même événement, probablement issus de différentes
+            sources. La version qui sera affichée aux internautes en priorité est la version
+            {% for e in object.get_duplicated %}{% if not e.masked %}<span class="badge-small">{{ forloop.counter0|int_to_abc }}</span>{% endif %}{% endfor %}.
+            </p>
+        {% else %}
         <p>Les événements ci-dessous ont été détectés ou signalés comme possiblement dupliqué.
             Les éléments qui diffèrent ont été dupliqués et mis en évidence. </p>
+        {% endif %}
 
-        {% if form %}
         <p>Choisissez dans la liste ci-dessous l'action que vous voulez réaliser. À noter que 
             s'il y a plus de deux événements, toutes les possibilités ne sont pas disponibles, et 
             il vous faudra peut-être réaliser certaines opérations à la main.</p>
@@ -29,52 +34,11 @@
                     <input type="submit" value="Appliquer">
                 </div>
             </form>
-        {% else %}
-        <div class="infos-and-buttons">
-            <div class="infos"></div>
-            <div class="buttons">
-                <a role="button" href="{% url 'fix_duplicate' object.pk %}">Corriger {% picto_from_name "tool" %}</a>
-            </div>
-        </div>
-        {% endif %}
     </header>
-    <div class="grid">
-    {% for e in object.get_duplicated %}
-        <div class="grid entete-badge">
-            <div class="badge-large">
-            {{ forloop.counter0|int_to_abc }} 
-            </div>
-                <ul>
-                    <li><a href="{{ e.get_absolute_url }}">{{ e.title }}</a></li>
-                    <li>Création&nbsp;: {{ e.created_date }}</li>
-                    <li>Dernière modification&nbsp;: {{ e.modified_date }}</li>
-                    {% if e.imported_date %}<li>Dernière importation&nbsp;: {{ e.imported_date }}</li>{% endif %}
-                </ul>
-        </div>
-    {% endfor %}
-    </div>
-    {% for e in object.get_items_comparison %}
-        <h3>{% event_field_verbose_name e.key %}</h3>
-        {% if e.similar %}
-        <div class="comparison-item">Identique&nbsp;: {% field_to_html e.values e.key %}</div>
-        {% else %}
-        <div class="grid comparison-item">
-            {% for i in e.values %}
-            <div class="duplicated"><div class="badge-small">{{ forloop.counter0|int_to_abc }} </div> {% field_to_html i e.key %}</div>
-            {% endfor %}
-        </div>
-        {% endif %}
-    {% endfor %}
+    {% include "agenda_culturel/duplicate-diff-inc.html" with object=object %}
 </article>
 
-<article>
-    <header><h2>Informations techniques</h2></header>
-    {% for e in object.get_duplicated %}
-    <article>
-        <h3>{{ e }}</h3>
-        {% include "agenda_culturel/event-info-inc.html" with object=e %}
-    </article>
-    {% endfor %}
-</article>
+{% include "agenda_culturel/duplicate-info-inc.html" with object=object %}
+
 {% endblock %}
 
diff --git a/src/agenda_culturel/templates/agenda_culturel/merge_duplicate.html b/src/agenda_culturel/templates/agenda_culturel/merge_duplicate.html
index 7d6e997..86289da 100644
--- a/src/agenda_culturel/templates/agenda_culturel/merge_duplicate.html
+++ b/src/agenda_culturel/templates/agenda_culturel/merge_duplicate.html
@@ -15,7 +15,7 @@
     <header>
         <h1>Fusionner les événements dupliqués</h1>
         <p>Pour chacun des champs non identiques, choisissez la version qui vous convient pour créer un événement
-            résultat de la fusion. Les événements source seront déplacés dans la corbeille.</p>
+            résultat de la fusion. Les événements source seront masqués.</p>
 
     </header>
     <form method="post">
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-event.html b/src/agenda_culturel/templates/agenda_culturel/page-event.html
index cad0d2b..07eb24b 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-event.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-event.html
@@ -2,6 +2,7 @@
 
 {% load cat_extra %}
 {% load utils_extra %}
+{% load event_extra %}
 
 
 {% block title %}{% block og_title %}{{ event.title }}{% endblock %}{% endblock %}
@@ -84,22 +85,34 @@
             {% endwith %}
         </article>
         {% if event.possibly_duplicated %}
+        {% with poss_dup=event.get_possibly_duplicated|only_allowed:user.is_authenticated %}
+        {% if poss_dup.count > 0 %}
         <article>
             <header>
+                {% if event.possibly_duplicated.fixed %}
+                <h2>Sources multiples</h2>
+                <p class="remarque">L'événement affiché a également été trouvé à partir 
+                    {% if poss_dup.count == 1 %}
+                    d'une autre source
+                    {% else %}
+                    d'autres sources
+                    {% endif %}&nbsp;:</p>
+                {% else %}
                 <h2>Possibles doublons</h2>
                 <p class="remarque">Notre algorithme a détecté que l'événement affiché pourrait être dupliqué sur l'agenda, et consultable dans 
-                    {% if event.get_possibly_duplicated.count == 1 %}
+                    {% if poss_dup.count == 1 %}
                     une autre version
                     {% else %}
                     d'autres versions
                     {% endif %}
                      ci-dessous.</p>
+                {% endif %}
             </header>
             <nav>
-                <ul>
-                    {% for e in event.get_possibly_duplicated %}
+                <ul class="no-breakline">
+                    {% for e in poss_dup %}
                     <li>
-                        <a href="{{ e.get_absolute_url }}">{{ e }}</a>
+                        {{ event|picto_status }} <a href="{{ e.get_absolute_url }}">{{ e }}</a>
                     </li>
                     {% endfor %}
                 </ul>
@@ -109,6 +122,8 @@
                 <a role="button" href="{% url 'fix_duplicate' event.possibly_duplicated.pk %}">Corriger {% picto_from_name "tool" %}</a>
             </footer>
             {% endif %}
+            {% endif %}
+            {% endwith %}
         </article>
         {% endif %}
         <article>
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
index 594442a..e1c7321 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
@@ -18,6 +18,20 @@
             {% picto_from_name "map-pin" %}
             {% include "agenda_culturel/event-location-inc.html" with event=event %}
         </p>
+        {% if event.possibly_duplicated %}
+        <p class="remarque">
+            {% if event.possibly_duplicated.fixed %}
+                    cet événement a été {% if user.is_authenticated %}<a href="{{ event.possibly_duplicated.get_absolute_url }}">importé plusieurs fois</a>{% else %}importé plusieurs fois{% endif %}, 
+                {% if event.masked %}
+                vous pouvez <a href="{{ event.possibly_duplicated.get_one_event.get_absolute_url  }}">consulter l'import principal</a>
+                {% else %}
+                    et vous consultez l'import principal
+                {% endif %}
+            {% else %}
+                cet événement a probablement été {% if user.is_authenticated %}<a href="{{ event.possibly_duplicated.get_absolute_url }}">importé plusieurs fois</a>{% else %}importé plusieurs fois{% endif %}
+            {% endif %}
+                </p>
+        {% endif %}
     </header>
 
     {% if event.has_image_url %}
diff --git a/src/agenda_culturel/templatetags/duplicated_extra.py b/src/agenda_culturel/templatetags/duplicated_extra.py
index f583426..78ee429 100644
--- a/src/agenda_culturel/templatetags/duplicated_extra.py
+++ b/src/agenda_culturel/templatetags/duplicated_extra.py
@@ -2,7 +2,7 @@ from django import template
 from django.utils.safestring import mark_safe
 from django.urls import reverse_lazy
 from django.template.defaultfilters import pluralize
-from django.db.models import Count
+from django.db.models import Count, Q
 
 
 
@@ -16,13 +16,14 @@ register = template.Library()
 @register.simple_tag
 def show_badge_duplicated(placement="top"):
 
-    nb_duplicated = DuplicatedEvents.objects.annotate(nb_duplicated=Count('event')).filter(nb_duplicated__gte=1).count()
+    nb_duplicated = DuplicatedEvents.objects.annotate(nb_duplicated=Count('event',
+        filter=Q(fixed=False), distinct=True)).filter(nb_duplicated__gte=1).count()
 
     if nb_duplicated != 0:
         return mark_safe(
             '<a href="'
             + reverse_lazy("duplicates")
-            + '" class="badge" data-placement="'
+            + '?fixed=false" class="badge" data-placement="'
             + placement
             + '" data-tooltip="'
             + str(nb_duplicated)
diff --git a/src/agenda_culturel/templatetags/event_extra.py b/src/agenda_culturel/templatetags/event_extra.py
index c2eac3a..b039f49 100644
--- a/src/agenda_culturel/templatetags/event_extra.py
+++ b/src/agenda_culturel/templatetags/event_extra.py
@@ -144,4 +144,12 @@ def robust_urlize(txt):
 def linebreaks2(txt):
     res = linebreaks(txt)
     
-    return mark_safe(re.sub("(<br> )+", "<br>", res))
\ No newline at end of file
+    return mark_safe(re.sub("(<br> )+", "<br>", res))
+
+
+@register.filter
+def only_allowed(elist, is_authenticated):
+    if not is_authenticated:
+        return elist.filter(status=Event.STATUS.PUBLISHED)
+    else:
+        return elist
\ No newline at end of file
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index 11ce8ee..6cd86a2 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -1386,10 +1386,15 @@ def run_all_rimports(request, status=None):
 ##   duplicated events
 #########################
 
+class DuplicatedEventsFilter(django_filters.FilterSet):
+    class Meta:
+        model = DuplicatedEvents
+        fields = ["fixed"]
+
 
 class DuplicatedEventsDetailView(LoginRequiredMixin, DetailView):
     model = DuplicatedEvents
-    template_name = "agenda_culturel/fix_duplicate.html"
+    template_name = "agenda_culturel/duplicate.html"
 
 
 @login_required(login_url="/accounts/login/")
@@ -1445,18 +1450,14 @@ def merge_duplicate(request, pk):
 
             # create a new event that merge the selected events
             new_event = Event(**new_event_data)
+            new_event.masked = False
             new_event.status = Event.STATUS.PUBLISHED
+            new_event.possibly_duplicated = edup
             new_event.set_skip_duplicate_check()
-            new_event.save()
 
-            # move the old ones in trash
-            for e in events:
-                e.status = Event.STATUS.TRASH
-            Event.objects.bulk_update(events, fields=["status"])
-            # remove duplicate
-            edup.delete()
+            edup.fix(new_event)
 
-            messages.info(request, _("The merge has been successfully completed."))
+            messages.info(request, _("Creation of a merged event has been successfully completed."))
             return HttpResponseRedirect(new_event.get_absolute_url())
 
     return render(
@@ -1480,6 +1481,9 @@ def fix_duplicate(request, pk):
         if form.is_valid():
             if form.is_action_no_duplicates():
                 events = edup.get_duplicated()
+                for e in events:
+                    e.masked = False
+                    e.save()
                 if len(events) == 0:
                     date = None
                 else:
@@ -1501,32 +1505,28 @@ def fix_duplicate(request, pk):
 
             elif form.is_action_select():
                 selected = form.get_selected_event(edup)
-                not_selected = [e for e in edup.get_duplicated() if e != selected]
-                nb = len(not_selected)
-                for e in not_selected:
-                    e.status = Event.STATUS.TRASH
-                Event.objects.bulk_update(not_selected, fields=["status"])
-                url = selected.get_absolute_url()
-                edup.delete()
+                nb = edup.fix(selected) - 1
                 if nb == 1:
                     messages.success(
                         request,
                         _(
-                            "The selected event has been retained, while the other has been moved to the recycle bin."
+                            "The selected event has been retained, while the other has been masked."
                         ),
                     )
                 else:
                     messages.success(
                         request,
                         _(
-                            "The selected event has been retained, while the others have been moved to the recycle bin."
+                            "The selected event has been retained, while the others havec been masked."
                         ),
                     )
-                return HttpResponseRedirect(url)
+                return HttpResponseRedirect(edup.get_absolute_url())
             elif form.is_action_remove():
                 event = form.get_selected_event(edup)
                 event.possibly_duplicated = None
+                event.masked = False
                 event.save()
+                edup.save()
                 messages.success(
                     request,
                     _(
@@ -1534,7 +1534,7 @@ def fix_duplicate(request, pk):
                     ),
                 )
                 if edup.nb_duplicated() == 1:
-                    return HttpResponseRedirect(event.get_absolute_url())
+                    return HttpResponseRedirect(edup.get_absolute_url())
                 else:
                     form = FixDuplicates(nb_events=edup.nb_duplicated())
             else:
@@ -1559,16 +1559,19 @@ class DuplicatedEventsUpdateView(LoginRequiredMixin, UpdateView):
 @permission_required("agenda_culturel.view_duplicatedevents")
 def duplicates(request):
     nb_removed = DuplicatedEvents.remove_singletons()
-    nb_similar = DuplicatedEvents.remove_similar_entries()
+    nb_similar = DuplicatedEvents.fix_similar_entries()
     if nb_removed > 0 or nb_similar > 0:
         messages.success(
             request,
-            _("Cleaning up duplicates: {} item(s) removed.").format(
+            _("Cleaning up duplicates: {} item(s) fixed.").format(
                 nb_removed + nb_similar
             ),
         )
-
-    paginator = Paginator(DuplicatedEvents.objects.all(), 10)
+        
+    filter = DuplicatedEventsFilter(
+        request.GET, queryset=DuplicatedEvents.objects.all().order_by("-pk")
+    )
+    paginator = PaginatorFilter(filter, 10, request)
     page = request.GET.get("page")
 
     try:
@@ -1581,7 +1584,7 @@ def duplicates(request):
     return render(
         request,
         "agenda_culturel/duplicates.html",
-        {"filter": filter, "paginator_filter": response},
+        {"filter": filter, "paginator_filter": response, "paginator": paginator},
     )