| 2021-01-23 | Deletion of a delegated commune | 27541 | Saint-Georges-du-Mesnil → Le Mesnil-Saint-Jean |
| 2021-01-23 | Deletion of a delegated commune | 27551 → 27541 | Saint-Jean-de-la-Léqueraye → Le Mesnil-Saint-Jean |
| 2019-01-01 | Deletion | 27541 | Saint-Georges-du-Mesnil |
| 2019-01-01 | Creation of a new commune | 27541 | Saint-Georges-du-Mesnil → Le Mesnil-Saint-Jean |
| 2019-01-01 | Creation of a new commune | 27541 | Saint-Georges-du-Mesnil |
| 2019-01-01 | Creation of a new commune | 27551 → 27541 | Saint-Jean-de-la-Léqueraye → Le Mesnil-Saint-Jean |
| 1943-01-01 | Creation | 27541 | Saint-Georges-du-Mesnil |