| 2020-06-01 | Deletion of a delegated commune | 16046 | Blanzac-Porcheresse → Coteaux-du-Blanzacais |
| 2020-06-01 | Deletion of a delegated commune | 16115 → 16046 | Cressac-Saint-Genis → Coteaux-du-Blanzacais |
| 2020-06-01 | Deletion of a delegated commune | 16332 → 16046 | Saint-Léger → Coteaux-du-Blanzacais |
| 2019-01-01 | Deletion | 16046 | Côteaux du Blanzacais |
| 2019-01-01 | Creation of a new commune | 16046 | Côteaux du Blanzacais → Coteaux-du-Blanzacais |
| 2019-01-01 | Creation of a new commune | 16332 → 16046 | Saint-Léger → Coteaux-du-Blanzacais |
| 2017-01-01 | Deletion | 16046 | Blanzac-Porcheresse |
| 2017-01-01 | Creation of a new commune | 16046 | Blanzac-Porcheresse |
| 2017-01-01 | Creation of a new commune | 16046 | Blanzac-Porcheresse → Côteaux du Blanzacais |
| 2017-01-01 | Creation of a new commune | 16115 → 16046 | Cressac-Saint-Genis → Côteaux du Blanzacais |
| 2017-01-01 | Creation of a new commune | 16265 → 16046 | Porcheresse → Côteaux du Blanzacais |
| 1973-01-01 | Deletion | 16046 | Blanzac |
| 1973-01-01 | Association merger | 16046 | Blanzac → Blanzac-Porcheresse |
| 1973-01-01 | Association merger | 16265 → 16046 | Porcheresse → Blanzac-Porcheresse |
| 1943-01-01 | Creation | 16046 | Blanzac |