| Date | Type | Code | Name |
|---|---|---|---|
| 2016-01-01 | Creation of a new commune | 85090 | La Flocellière |
| 2016-01-01 | Creation of a new commune | 85090 | La Flocellière → Sèvremont |
| 2016-01-01 | Deletion | 85090 | La Flocellière |
| 2016-01-01 | Creation of a new commune | 85063 → 85090 | Les Châtelliers-Châteaumur → Sèvremont |
| 2016-01-01 | Creation of a new commune | 85180 → 85090 | La Pommeraie-sur-Sèvre → Sèvremont |
| 2016-01-01 | Creation of a new commune | 85257 → 85090 | Saint-Michel-Mont-Mercure → Sèvremont |
| 1943-01-01 | Creation | 85090 | La Flocellière |