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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1002 | County - dinasty Ventimiglia | count Otto I and Conrad I | |
| 1038 | count Otto II and Conrad II | ||
| 1077 | count Conrad III | ||
| 1082 | count Otto III | ||
| 1140 | count Guglielmo I | ||
| 1144 | count Guido Guerra | ||
| 1167 | count Otto IV | ||
| 1193 | count Guglielmo II | ||
| 1200 | count Enrico I | ||
| 1230 | count Filippo I | ||
| 1260 | count Filippo II | ||
| 1272 | dinasty Grimaldi | ||
| 1388 | dinasty Savoia | count Amedeo VII count of Savoy | |
| 1391 | 1 november | count Amedeo VIII duke of Savoy | |
| 1451 | 7 january | count Ludovico I duke of Savoy | |
| 1465 | 29 january | count Amedeo IX duke of Savoy | |
| 1472 | 30 march | count Filiberto I duke of Savoy | |
| 1482 | 22 april | count Carlo I duke of Savoy | |
| 1490 | 14 march | count Carlo II duke of Savoy | |
| 1496 | 16 april | count Filippo II duke of Savoy | |
| 1497 | 7 november | count Filiberto II duke of Savoy | |
| 1504 | 10 september | Union to Republic of Genova |