| Date | Type | Code | Name |
|---|---|---|---|
| 2019-01-01 | Creation of a new commune | 09334 | Vicdessos → Val-de-Sos |
| 2019-01-01 | Creation of a new commune | 09334 | Vicdessos |
| 2019-01-01 | Deletion | 09334 | Vicdessos |
| 2019-01-01 | Creation of a new commune | 09135 → 09334 | Goulier → Val-de-Sos |
| 2019-01-01 | Creation of a new commune | 09286 → 09334 | Sem → Val-de-Sos |
| 2019-01-01 | Creation of a new commune | 09302 → 09334 | Suc-et-Sentenac → Val-de-Sos |
| 1943-01-01 | Creation | 09334 | Vicdessos |