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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1155 | Imperial vicariate - dinasty Montefeltro | imperial vicarie Antonio | |
| 1190 | imperial vicarie Montefeltrino | ||
| 1213 | Earldom | earl Bonconte | |
| 1241 | earl Montefeltrano | ||
| 1255 | earl Guido I | ||
| 1296 | 17 november | earl Federico I | |
| 1322 | 26 april | Church Territory | |
| 1323 | Earldom - dinsty Montefeltro | earl Guido II, Nolfo I, Speranza and Galasso I | |
| 1335 | earl Guido II, Nolfo I and Galasso I | ||
| 1341 | earl Nolfo I | ||
| 1359 | Church Territory | ||
| 1375 | Earldom - dinasty Montefeltro | earl Antonio | |
| 1404 | 23 april | earl Guido Antonio | |
| 1443 | 21 february | Duchy | duke Oddo Antonio |
| 1444 | 22 july | duke Federico III | |
| 1482 | 10 september | duke Guido Baldo I (I) | |
| 1502 | 28 july | dinasty Borgia | duke Cesare |
| 1506 | dinasty Montefeltro | duke Guido Baldo I (I) | |
| 1508 | 11 april | dinasty Della Rovere | duke Francesco Maria I (I) |
| 1516 | 31 may | dinasty Medici | duke Lorenzo |
| 1519 | 4 may | dinasty Da Varano | duke Giovanni Maria |
| 1521 | december | dinasty Della Rovere | duke Francesco Maria I (II) |
| 1538 | 21 october | duke Guido Baldo II | |
| 1574 | 28 september | duke Francesco Maria II (I) | |
| 1621 | duke Federico Ubaldo | ||
| 1623 | 29 june | duke Francesco Maria II (II) | |
| 1631 | Union to Church State |