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| Date | Type | Code | Nom |
|---|---|---|---|
| 2012-09-01 | Fusion association → fusion simple | 22118 | Lanvallay |
| 2012-09-01 | Fusion association → fusion simple | 22329 → 22118 | Saint-Solen → Lanvallay |
| 2012-09-01 | Fusion association → fusion simple | 22374 → 22118 | Tressaint → Lanvallay |
| 1973-01-01 | Fusion-association | 22118 | Lanvallay |
| 1973-01-01 | Fusion-association | 22329 → 22118 | Saint-Solen → Lanvallay |
| 1973-01-01 | Fusion-association | 22374 → 22118 | Tressaint → Lanvallay |
| 1943-01-01 | Création | 22118 | Lanvallay |