|
|
|
| YEAR | DATE | EVENT | HEAD OF STATE |
| 1100 | Free Common | ||
| 1186 | Republic |
|
| YEAR | DATE | EVENT | HEAD OF STATE |
| 1336 | |||
| 1390 | 31 july | Union to Milan | |
| 1404 | 1 may | Republic |
|
| YEAR | DATE | EVENT | HEAD OF STATE |
| 1414 |
|
| YEAR | DATE | EVENT | HEAD OF STATE |
| 1455 | |||
| 1501 | Lordship - dinasty Borgia | sire Cesare | |
| 1502 | 29 march | dinasty Petrucci | sire Pandolfo |
| 1512 | 21 may | sire Borghese | |
| 1515 | 6 march | sire Raffaello | |
| 1522 | sire Francesco | ||
| 1523 | sire Fabio | ||
| 1525 | 17 february | Republic | |
| 1531 | Spanish Occupation | ||
| 1552 | 25 july | French Occupation | |
| 1557 | 3 july | Union to Florence |