| 2015-12-15 | Creation of a new commune | 49023 | Beaupréau |
| 2015-12-15 | Creation of a new commune | 49023 | Beaupréau → Beaupréau-en-Mauges |
| 2015-12-15 | Deletion | 49023 | Beaupréau |
| 2015-12-15 | Creation of a new commune | 49006 → 49023 | Andrezé → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49072 → 49023 | La Chapelle-du-Genêt → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49151 → 49023 | Gesté → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49162 → 49023 | Jallais → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49165 → 49023 | La Jubaudière → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49239 → 49023 | Le Pin-en-Mauges → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49243 → 49023 | La Poitevinière → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49312 → 49023 | Saint-Philbert-en-Mauges → Beaupréau-en-Mauges |
| 2015-12-15 | Creation of a new commune | 49375 → 49023 | Villedieu-la-Blouère → Beaupréau-en-Mauges |
| 1943-01-01 | Creation | 49023 | Beaupréau |