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| YEAR | DATE | EVENT | HEAD OF STATE |
| 853 | County - dinasty Vexin | earl Nivelon | |
| 878 | earl Aledran | ||
| 886 | earl x | ||
| 922 | dinasty Vexin II | earl Hugh I duke of France | |
| 956 | earl Waleran earl of Valois | ||
| 965 | earl Gauthier I earl of Valois | ||
| 987 | earl Gauthier II earl of Valois | ||
| 1027 | earl Dreux | ||
| 1035 | earl Gauthier III earl of Valois | ||
| 1063 | earl Raoul earl of Valois | ||
| 1074 | earl Simon earl of Valois | ||
| 1076 | Union to Kingdom of France |