| Date | Type | Code | Name |
|---|---|---|---|
| 2018-01-01 | Association merger converted to a simple merger | 55090 → 55366 | Bussy-la-Côte → Val-d'Ornain |
| 2018-01-01 | Association merger converted to a simple merger | 55529 → 55366 | Varney → Val-d'Ornain |
| 1973-01-01 | Deletion | 55366 | Mussey |
| 1973-01-01 | Association merger | 55090 → 55366 | Bussy-la-Côte → Val-d'Ornain |
| 1973-01-01 | Association merger | 55366 | Mussey → Val-d'Ornain |
| 1973-01-01 | Association merger | 55529 → 55366 | Varney → Val-d'Ornain |
| 1943-01-01 | Creation | 55366 | Mussey |