YEAR | DATE | EVENT | HEAD OF STATE |
1027 | Count-bishopland | ||
1406 | Union to Rimini | ||
1519 | 1 november | Earldom - dinasty Pio | count Alberto III |
1531 | january | count Leonello II | |
1571 | 20 march | count Alberto | |
1580 | count Rodolfo | ||
1597 | june | Principality - dinasty Aldobrandini | prince Gianfrancesco |
1601 | 17 september | prince Giorgio | |
1637 | 6 may | princess Olimpia | |
1681 | 18 december | dinasty Pamphili | prince Giovanni Battista |
1709 | prince Camillo Filippo | ||
1747 | prince Girolamo | ||
1760 | Union to Church State |