| YEAR | DATE | EVENT | HEAD OF STATE |
| 806 | Count - dinasty Aragona | earl Aznar I earl of Aragona | |
| 839 | earl Galindo | ||
| 867 | dinasty Barcellona | earl Vilfredo I earl of Barcellon | |
| 897 | earl Sunifredo | ||
| 948 | earl Borrel earl of Barcellona | ||
| 989 | earl Armengol I | ||
| 1010 | earl Armengol II | ||
| 1038 | earl Armengol III | ||
| 1065 | earl Armengol IV | ||
| 1092 | earl Armengol V | ||
| 1102 | earl Armengol VI | ||
| 1154 | earl Armengol VII | ||
| 1184 | earl Armengol VIII | ||
| 1209 | earl Arumbaix | ||
| 1231 | dinasty Cabrera | earl Ponce I | |
| 1243 | earl Alvaro II | ||
| 1267 | earl Armengol X | ||
| 1314 | earles Teresa | ||
| 1327 | dinasty Barcellona | earl Giacomo I | |
| 1347 | earl Pietro | ||
| 1408 | earl Giacomo II | ||
| 1413 | Union to Kingdom of Aragona |