diff --git a/app/Enums/EventHistoryType.php b/app/Enums/EventHistoryType.php
new file mode 100644
index 0000000..844082f
--- /dev/null
+++ b/app/Enums/EventHistoryType.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Enums;
+
+enum EventHistoryType: int
+{
+    case created   = 0;
+    case moved     = 1;
+    case changed   = 2;
+    case destroyed = 3;
+    case labelled  = 4;
+
+    /**
+     * Get num label
+     *
+     * @return string
+     */
+    public function label(): string
+    {
+        return match ($this) {
+            static::created => trans('Création'),
+            static::moved => trans('Déplacement'),
+            static::changed => trans('Modification'),
+            static::destroyed => trans('Suppression'),
+            static::labelled => trans('Etiquette'),
+            default => trans('MISSING LABEL')
+        };
+    }
+}
diff --git a/app/Listeners/CreateIntoArcadia.php b/app/Listeners/CreateIntoArcadia.php
index 064c2d4..fb7a1ad 100644
--- a/app/Listeners/CreateIntoArcadia.php
+++ b/app/Listeners/CreateIntoArcadia.php
@@ -2,6 +2,7 @@
 
 namespace App\Listeners;
 
+use App\Enums\EventHistoryType;
 use App\Events\MediaLinkWithArcadia;
 use App\Lib\ArcadiaLinkUtilities;
 use App\Models\Historique;
@@ -21,7 +22,7 @@ class CreateIntoArcadia
         $media = $event->getMedia();
 
         $historique              = new Historique();
-        $historique->type        = trans('Modification');
+        $historique->type        = EventHistoryType::changed;
         $historique->description = trans('Ajout de la liaison Arcadia');
         $historique->media()->associate($media);
         $historique->user()->associate($user);
diff --git a/app/Listeners/HistorizeMediaEvent.php b/app/Listeners/HistorizeMediaEvent.php
index ed43abe..2fa79bd 100644
--- a/app/Listeners/HistorizeMediaEvent.php
+++ b/app/Listeners/HistorizeMediaEvent.php
@@ -2,6 +2,7 @@
 
 namespace App\Listeners;
 
+use App\Enums\EventHistoryType;
 use App\Events\MediaChangedLabel;
 use App\Events\MediaCreated;
 use App\Events\MediaDestroyed;
@@ -20,29 +21,27 @@ class HistorizeMediaEvent
      */
     public function handle(MediaCreated $event)
     {
-        $historique = new Historique();
-
-        // TODO: put enum in here.
-        $type        = trans('Création');
+        $historique  = new Historique();
+        $type        = EventHistoryType::created;
         $description = trans('Média ajouté');
 
         if ($event instanceof MediaMoved) {
-            $type        = trans('Déplacement');
+            $type        = EventHistoryType::moved;
             $description = $event->getMedia()->dossier_id > 0 ?
                 trans('Déplacement dans le dossier :libelle', [
                 'libelle' => $event->getMedia()->dossier->libelle
                 ]) : trans('Média déplacé à la racine');
         }
         if ($event instanceof MediaUpdated) {
-            $type        = trans('Modification');
+            $type        = EventHistoryType::changed;
             $description = trans('Le média a été mis à jour');
         }
         if ($event instanceof MediaDestroyed) {
-            $type        = trans('Suppression');
+            $type        = EventHistoryType::destroyed;
             $description = trans('Le média a été supprimé');
         }
         if ($event instanceof MediaChangedLabel) {
-            $type        = trans('Etiquette');
+            $type        = EventHistoryType::labelled;
             $description = sprintf(
                 '%s -> %s',
                 \optional($event->getOldLabel())->libelle ?? trans('aucune'),
diff --git a/app/Models/Historique.php b/app/Models/Historique.php
index a78e038..1cd005d 100644
--- a/app/Models/Historique.php
+++ b/app/Models/Historique.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Enums\EventHistoryType;
 use Illuminate\Database\Eloquent\Model;
 
 class Historique extends Model
@@ -13,6 +14,15 @@ class Historique extends Model
      */
     public $timestamps = false;
 
+    /**
+     * The attributes that should be cast.
+     *
+     * @var array
+     */
+    public $casts = [
+        'type' => EventHistoryType::class
+    ];
+
     // * RELATIONSHIPS
 
     /**
diff --git a/database/migrations/2022_07_25_110851_change_history_type_on_historiques.php b/database/migrations/2022_07_25_110851_change_history_type_on_historiques.php
new file mode 100644
index 0000000..496a092
--- /dev/null
+++ b/database/migrations/2022_07_25_110851_change_history_type_on_historiques.php
@@ -0,0 +1,65 @@
+<?php
+
+use App\Enums\EventHistoryType;
+use App\Models\Historique;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Historique::all()->map(function (Historique $historique) {
+            if (in_array(strtolower($historique->getRawOriginal('type')), ['retouche'])) {
+                $historique->forceDelete();
+                return;
+            }
+            $historique->type = match (strtolower($historique->getRawOriginal('type'))) {
+                'création' => EventHistoryType::created,
+                'déplacement' => EventHistoryType::moved,
+                'modification' => EventHistoryType::changed,
+                'suppression' => EventHistoryType::destroyed,
+                'etiquette' => EventHistoryType::labelled,
+                default => throw new \RuntimeException($historique->getRawOriginal('type') . ' not handled')
+            };
+            $historique->setRawAttributes(array_merge($historique->toArray(), [
+                'type' => $historique->type->value
+            ]));
+            return $historique;
+        })->filter()->map(function (Historique $historique) {
+            $historique->saveOrFail();
+        });
+        Schema::table('historiques', function (Blueprint $table) {
+            $table->unsignedInteger('type')->default(EventHistoryType::created->value)
+                ->comment('Enum EventHistoryType')->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Historique::all()->map(function (Historique $historique) {
+            $historique->type = match ($historique->getRawOriginal('type')) {
+                EventHistoryType::created->value => 'Création',
+                EventHistoryType::changed->value => 'Modification',
+                EventHistoryType::destroyed->value => 'Suppression',
+                EventHistoryType::labelled->value => 'Etiquette',
+                EventHistoryType::moved->value => 'Déplacement',
+                default => throw new \RuntimeException($historique->getRawOriginal('type') . 'not handled')
+            };
+        });
+        Schema::table('historiques', function (Blueprint $table) {
+            $table->string('type')->default('')->change();
+        });
+    }
+};