| 1973-01-01 | Association merger | 42190 → 42218 | Rochetaillée → Saint-Étienne |
| 1973-01-01 | Association merger | 42218 | Saint-Étienne |
| 1970-01-01 | Deletion | 42218 | Saint-Étienne-sur-Loire |
| 1970-01-01 | Simple merger | 42218 | Saint-Étienne-sur-Loire → Saint-Étienne |
| 1970-01-01 | Simple merger | 42309 → 42218 | Terrenoire → Saint-Étienne |
| 1969-10-18 | Deletion | 42218 | Saint-Étienne |
| 1969-10-18 | Simple merger | 42218 | Saint-Étienne → Saint-Étienne-sur-Loire |
| 1969-10-18 | Simple merger | 42292 → 42218 | Saint-Victor-sur-Loire → Saint-Étienne-sur-Loire |
| 1943-01-01 | Creation | 42218 | Saint-Étienne |