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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1255 | Lordship - dinasty Doria | sire Oberto I | |
| 1306 | 6 november | sire Corrado I | |
| 1306 | 6 november | sire Dorino I | |
| 1341 | sire Dorino II | ||
| 1375 | sire Dorino III | ||
| 1389 | sire Dorino IV | ||
| 1427 | sire Dorino II | ||
| 1427 | sire Pietro II | ||
| 1427 | sire Oberto II | ||
| 1444 | sire Pietro III | ||
| 1499 | sire Corrado III | ||
| 1505 | dinasty Fieschi | ||
| 1790 | Union to Principality of Piemonte |