| YEAR | DATE | EVENT | HEAD OF STATE |
| 1257 | Count of Kingdom of Napoli | ||
| 1386 | Venice Occupation | ||
| 1797 | 10 july | French Occupation | |
| 1800 | 2 april | Republic of Ionian Isles | Spiridon Georgiou Theotokis |
| 1803 | 24 november | Count Antonios Komoutos | |
| 1807 | 31 august | Union to French Empire | |
| 1814 | 3 april | UK Protectorate | |
| 1864 | 2 june | Union to Greece |