Approval.

backend/es/data_history.json

@@ -65,6 +65,7 @@
         "institution": "institution",
         "flagged_for_deletion": "Flagged for deletion",
         "link_collection": "Link collection",
-        "link_museum": "Link museum"
+        "link_museum": "Link museum",
+        "remove_museum": "Removed museum"
     }
 }