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| YEAR | DATE | EVENT | HEAD OF STATE | |
| 576 | Longobard Duchy of Torino | duke Amone | ||
| 591 | duke Agilulfo King of Longobardi | |||
| 590 | duke Arioaldo King of Longobardi | |||
| 660 | duke Garibaldo King of Longobardi | |||
| 671 | duke Ragimberto King of Longobardi | |||
| 701 | x | |||
| 774 | Union to Kingdom of France | |||
| 892 | Union to Marquisate of Ivrea | |||
| 942 | Marquisate | marquois Arduino Glabrione | ||
| 975 | marquois Manfredi I | |||
| 1001 | marquois Olderico Manfredi II | |||
| 1034 | marchesa Adelaide | |||
| 1060 | marquois Pietro earl of Savoia | |||
| 1078 | marquois Agnese of Savoia | |||
| 1091 | Free Common | |||
| 1232 | Union to Count of Piemonte |