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| YEAR | DATE | EVENT | HEAD OF STATE |
| 630 | Kingdom - dinasty Merovigi | king Cariberto | |
| 631 | king Childerico | ||
| 637 | Duchy | duke Bertrando | |
| 688 | duke Oddone | ||
| 735 | duke Unaldo | ||
| 745 | duke Vaifro | ||
| 768 | 2 june | Union to Kingdom of France | |
| 841 | Duchy - dinasty Poitou | duke Ranulf I | |
| 867 | duke Ranulf II | ||
| 890 | duke Eble (I) | ||
| 893 | duke William I | ||
| 918 | duke William II | ||
| 926 | duke Alfred | ||
| 927 | duke Eble (II) | ||
| 935 | duke William III | ||
| 963 | duke William IV | ||
| 995 | duke William V | ||
| 1029 | duke William VI | ||
| 1038 | duke Odo | ||
| 1039 | 10 march | duke William VII | |
| 1058 | duke William VIII | ||
| 1086 | duke William IX | ||
| 1127 | 10 february | duke William X | |
| 1137 | 9 april | dukes Eleaonor | |
| 1204 | Duchy of King of England | ||
| 1453 | Union to Kingdom of France |