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| YEAR | DATE | EVENT | HEAD OF STATE |
| 996 | County - dinasty Sens | earl Godfry I | |
| 1042 | earl Godfry II | ||
| 1043 | earles Alix | ||
| 1055 | dinasty Joinville | earl Godfry III earl of Joinville | |
| 1081 | earl Godfry IV earl of Joinville | ||
| 1104 | earl Renaud I | ||
| 1139 | earl Guy I | ||
| 1150 | earl Renaud II | ||
| 1179 | earl William I | ||
| 1219 | earl Pierre I | ||
| 1221 | earl William II | ||
| 1255 | earl William III | ||
| 1257 | earl John I | ||
| 1283 | earl John II | ||
| 1324 | earles Jeanne | ||
| 1336 | dinasty Valois | earl Charles I earl of Perche | |
| 1337 | dinasty Joigni | earl John III | |
| 1361 | earl Miles | ||
| 1376 | earl John IV | ||
| 1393 | earl Louis I | ||
| 1415 | earles Margaret | ||
| 1420 | dinasty Tremoille | earl Guy II | |
| 1438 | earl Louis II | ||
| 1464 | earl Charles II | ||
| 1485 | earles Charlotte | ||
| 1525 | earl John V | ||
| 1526 | earl Louis III | ||
| 1572 | earl Charles III | ||
| 1576 | dinasty Montmorency-Laval | earl John VI | |
| 1578 | earl Guy III | ||
| 1590 | earles Gabrielle | ||
| 1603 | dinasty Gondi | earl Philip Emmanuel | |
| 1626 | earl Pierre II | ||
| 1676 | earl Paul | ||
| 1703 | dinasty Neufville | earl Francois | |
| 1730 | earl Nicolas | ||
| 1734 | earl Louis Francois | ||
| 1766 | earl Gabriel | ||
| 1791 | Union to Kingdom of France |