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| YEAR | DATE | EVENT | HEAD OF STATE |
| 814 | Count | earl William | |
| 834 | earl Odo | ||
| 865 | earl Robert | ||
| 878 | earl Warnegald | ||
| 908 | earl Gello | ||
| 928 | dinasty Blois | earl Theobald I | |
| 942 | earl Theobald II | ||
| 975 | earl Oddone I | ||
| 995 | earl Theobald III | ||
| 1004 | earl Oddone II | ||
| 1037 | earl Theobald IV | ||
| 1089 | earl Stefano | ||
| 1102 | earl Theobald V | ||
| 1152 | earl Theobald VI | ||
| 1191 | earl Louis I | ||
| 1205 | earl Theobald VII | ||
| 1218 | earles Margaret | ||
| 1230 | dinasty Chatillon | earl Hugh I | |
| 1248 | earl John I | ||
| 1279 | earles Jeanne | ||
| 1292 | earl Hugh II | ||
| 1307 | earl Guy I | ||
| 1342 | earl Louis I | ||
| 1346 | earl Louis II | ||
| 1372 | earl John II | ||
| 1381 | earl Guy II | ||
| 1397 | Count of Duchy of Orleans | ||
| 1498 | Union to Kingdom of France |