This commune no longer exists in the current COG. Here is its history in the Official Geographic Code.
| Date | Type | Code | Name |
|---|---|---|---|
| 1987-09-08 | Association merger converted to a simple merger | 44042 → 44131 | Le Clion-sur-Mer → Pornic |
| 1973-06-01 | Deletion | 44042 | Le Clion-sur-Mer |
| 1973-06-01 | Association merger | 44042 → 44131 | Le Clion-sur-Mer → Pornic |
| 1973-06-01 | Association merger | 44042 | Le Clion-sur-Mer |
| 1943-01-01 | Creation | 44042 | Le Clion-sur-Mer |