| Date | Type | Code | Name |
|---|---|---|---|
| 2019-01-01 | Creation of a new commune | 26354 | Treschenu-Creyers |
| 2019-01-01 | Creation of a new commune | 26354 → 26086 | Treschenu-Creyers → Châtillon-en-Diois |
| 2019-01-01 | Deletion | 26354 | Treschenu-Creyers |
| 1972-07-01 | Simple merger | 26354 | Treschenu → Treschenu-Creyers |
| 1972-07-01 | Deletion | 26354 | Treschenu |
| 1972-07-01 | Simple merger | 26109 → 26354 | Creyers → Treschenu-Creyers |
| 1943-01-01 | Creation | 26354 | Treschenu |