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| YEAR | DATE | EVENT | GOVERNOR |
| 1578 | 3 january | Part of French colony of Quebec | |
| 1763 | 10 february | Part of UK colony of Quebec | |
| 1791 | 26 december | UK colony of Upper Canada | John Graves Simcoe |
| 1796 | 20 july | Peter Russell | |
| 1799 | 17 august | Peter Hunter | |
| 1805 | 11 september | Alexander Grant | |
| 1806 | 25 august | Francis Gore (I) | |
| 1811 | 9 october | Sir Isaac Brock | |
| 1812 | 13 october | Sir Roger Hale Sheaffe | |
| 1813 | 19 june | Francis de Rottenburg, Baron de Rottenburg | |
| 1813 | 13 december | Sir Gordon Drummond | |
| 1815 | 25 april | Sir George Murray | |
| 1815 | 1 july | Sir Frederick Philipse Robinson | |
| 1815 | 21 september | Francis Gore (II) | |
| 1817 | 11 june | Samuel Smith | |
| 1818 | 13 august | Sir Peregrine Maitland | |
| 1828 | 4 november | Sir John Colborne | |
| 1836 | 26 january | Sir Francis Bond Head | |
| 1838 | 23 march | Sir George Arthur | |
| 1841 | 5 february | Part of Canada Provence | |
| 1867 | 1 july | 2^ Canada provence |