| 2026-01-01 | Deletion of a delegated commune | 50284 → 50410 | Macey → Pontorson |
| 2026-01-01 | Deletion of a delegated commune | 50630 → 50410 | Vessey → Pontorson |
| 2016-01-01 | Creation of a new commune | 50410 | Pontorson |
| 2016-01-01 | Creation of a new commune | 50410 | Pontorson |
| 2016-01-01 | Creation of a new commune | 50017 → 50410 | Ardevon → Pontorson |
| 2016-01-01 | Creation of a new commune | 50065 → 50410 | Boucey → Pontorson |
| 2016-01-01 | Creation of a new commune | 50141 → 50410 | Cormeray → Pontorson |
| 2016-01-01 | Creation of a new commune | 50157 → 50410 | Curey → Pontorson |
| 2016-01-01 | Creation of a new commune | 50284 → 50410 | Macey → Pontorson |
| 2016-01-01 | Creation of a new commune | 50331 → 50410 | Moidrey → Pontorson |
| 2016-01-01 | Creation of a new commune | 50392 → 50410 | Les Pas → Pontorson |
| 2016-01-01 | Creation of a new commune | 50630 → 50410 | Vessey → Pontorson |
| 1989-01-01 | Restoration | 50410 | Pontorson |
| 1989-01-01 | Restoration | 50410 → 50042 | Pontorson → Beauvoir |
| 1973-01-01 | Association merger | 50410 | Pontorson |
| 1973-01-01 | Association merger | 50017 → 50410 | Ardevon → Pontorson |
| 1973-01-01 | Association merger | 50042 → 50410 | Beauvoir → Pontorson |
| 1973-01-01 | Association merger | 50065 → 50410 | Boucey → Pontorson |
| 1973-01-01 | Association merger | 50141 → 50410 | Cormeray → Pontorson |
| 1973-01-01 | Association merger | 50157 → 50410 | Curey → Pontorson |
| 1973-01-01 | Association merger | 50331 → 50410 | Moidrey → Pontorson |
| 1973-01-01 | Association merger | 50392 → 50410 | Les Pas → Pontorson |
| 1943-01-01 | Creation | 50410 | Pontorson |