YEAR | DATE | EVENT | HEAD OF STATE |
920 | County - dinasty Aldobrandeschi | earl Ildebrando III | |
959 | earl Gherardo I | ||
966 | earl Rodolfo I | ||
973 | earl Rodolfo II | ||
988 | earl Ildebrando IV | ||
1015 | earl Enrico | ||
1040 | earl Ildebrando V | ||
1076 | earl Ranieri Malabranca | ||
1106 | earl Malagaglia | ||
1121 | earl Ugo II | ||
1152 | earl Ildebrando VII | ||
1195 | earl Ildebrando VIII | ||
1208 | earl Ildebrando IX | ||
1237 | earl Guglielmo | ||
1254 | earl Ildebrandino XI | ||
1294 | 18 may | earles MArgherita | |
1301 | Union to Orvieto | ||
1455 | Union to Siena |