YEAR | DATE | EVENT | HEAD OF STATE |
1164 | 28 september | County - dinasty Guidi | earl Guido Guerra III |
1210 | 20 september | earl Guido VIII | |
1239 | earl Guido Novello | ||
1293 | earl Guglielmo Novello | ||
1334 | earl Riccardo | ||
1363 | earl Guido | ||
1371 | 21 august | Union to Florence |