| 2019-01-01 | Creation of a new commune | 50197 | Gavray |
| 2019-01-01 | Creation of a new commune | 50197 | Gavray → Gavray-sur-Sienne |
| 2019-01-01 | Deletion | 50197 | Gavray |
| 2019-01-01 | Creation of a new commune | 50301 → 50197 | Le Mesnil-Amand → Gavray-sur-Sienne |
| 2019-01-01 | Creation of a new commune | 50314 → 50197 | Le Mesnil-Hue → Gavray-sur-Sienne |
| 2019-01-01 | Creation of a new commune | 50320 → 50197 | Le Mesnil-Rogues → Gavray-sur-Sienne |
| 2019-01-01 | Creation of a new commune | 50583 → 50197 | Sourdeval-les-Bois → Gavray-sur-Sienne |
| 1988-08-01 | Association merger converted to a simple merger | 50197 | Gavray |
| 1988-08-01 | Association merger converted to a simple merger | 50307 → 50197 | Le Mesnil-Bonant → Gavray |
| 1973-01-01 | Association merger | 50197 | Gavray |
| 1973-01-01 | Association merger | 50307 → 50197 | Le Mesnil-Bonant → Gavray |
| 1973-01-01 | Association merger | 50314 → 50197 | Le Mesnil-Hue → Gavray |
| 1943-01-01 | Creation | 50197 | Gavray |