| YEAR | DATE | EVENT | HEAD OF STATE |
| 897 | Count - dinasty Barcellona | earl Miron II | |
| 927 | conti Sunifredo II and Wilfredo II | ||
| 957 | conti Miron III and Oliva II | ||
| 984 | earl Oliva II | ||
| 990 | earl Bernardo I | ||
| 1020 | earl Guglielmo I | ||
| 1052 | earl Guglielmo II | ||
| 1070 | earl Bernardo II | ||
| 1085 | earl Bernardo III | ||
| 1111 | Union to Kingdom of Aragona |