| Date | Type | Code | Name |
|---|---|---|---|
| 2020-01-01 | Deletion of a delegated commune | 30052 | Bréau-et-Salagosse → Bréau-Mars |
| 2020-01-01 | Deletion of a delegated commune | 30157 → 30052 | Mars → Bréau-Mars |
| 2019-01-01 | Deletion | 30052 | Bréau-et-Salagosse |
| 2019-01-01 | Creation of a new commune | 30052 | Bréau-et-Salagosse |
| 2019-01-01 | Creation of a new commune | 30052 | Bréau-et-Salagosse → Bréau-Mars |
| 2019-01-01 | Creation of a new commune | 30157 → 30052 | Mars → Bréau-Mars |
| 1943-01-01 | Creation | 30052 | Bréau-et-Salagosse |