| 2017-01-01 | Creation of a new commune | 56061 | La Gacilly |
| 2017-01-01 | Creation of a new commune | 56061 | La Gacilly |
| 2017-01-01 | Creation of a new commune | 56038 → 56061 | La Chapelle-Gaceline → La Gacilly |
| 2017-01-01 | Creation of a new commune | 56064 → 56061 | Glénac → La Gacilly |
| 1943-01-01 | Creation | 56061 | La Gacilly |