| Date | Type | Code | Name |
|---|---|---|---|
| 1989-01-01 | Restoration | 08125 → 08297 | Montcornet-en-Ardenne → Montcornet |
| 1989-01-01 | Restoration | 08297 | Montcornet |
| 1973-09-01 | Deletion | 08297 | Montcornet |
| 1973-09-01 | Association merger | 08297 → 08125 | Montcornet → Montcornet-en-Ardenne |
| 1973-09-01 | Association merger | 08297 | Montcornet |
| 1943-01-01 | Creation | 08297 | Montcornet |