| Date | Type | Code | Name |
|---|---|---|---|
| 1982-08-01 | Association merger converted to a simple merger | 51332 → 51381 | Lucy → Montmort-Lucy |
| 1982-08-01 | Association merger converted to a simple merger | 51381 | Montmort-Lucy |
| 1973-09-01 | Deletion | 51381 | Montmort |
| 1973-09-01 | Association merger | 51332 → 51381 | Lucy → Montmort-Lucy |
| 1973-09-01 | Association merger | 51381 | Montmort → Montmort-Lucy |
| 1943-01-01 | Creation | 51381 | Montmort |