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| YEAR | DATE | EVENT | PRIME MINISTER | GOVERNOR |
| 1765 | 25 may | UK crown colony | Charles O'Hara | |
| 1775 | november | Matthias McNamara | ||
| 1777 | 8 april | John Clarke | ||
| 1778 | 18 august | William Lacy | ||
| 1779 | 11 august | Part of French Senegal | ||
| 1816 | 23 august | UK colony | Alexander Grant | |
| 1821 | 17 october | Part of UK Sierra Leone colony | ||
| 1843 | 11 april | UK colony | Henry Froude Seagram | |
| 1843 | october | Edmund Norcott | ||
| 1844 | Charles Fitzgerald | |||
| 1847 | Sir Richard Graves MacDonnell | |||
| 1851 | Sir Arthur Edward Kennedy | |||
| 1852 | Luke Smythe O'Connor | |||
| 1859 | september | George Abbas Kooli D'Arcy | ||
| 1866 | 19 february | Part of UK West Africa Colony | ||
| 1888 | 24 november | UK colony | Sir Gilbert Thomas Carter | |
| 1891 | Sir Robert Baxter Llewelyn | |||
| 1900 | Sir George Chardin Denton | |||
| 1911 | 21 december | Henry Lincoln Galway | ||
| 1914 | 11 april | Sir Edward John Cameron | ||
| 1920 | Herbert Henniker | |||
| 1921 | 3 january | Sir Cecil Hamilton Armitage | ||
| 1927 | 10 march | Sir John Middleton | ||
| 1928 | 29 november | Sir Edward Brandis Denham | ||
| 1930 | 11 september | Sir Herbert Richmond Palmer | ||
| 1934 | 12 april | Sir Arthur Frederick Richards | ||
| 1936 | 22 october | Sir Wilfred Thomas Southorn | ||
| 1942 | 23 march | Sir Hilary Rudolph Robert Blood | ||
| 1947 | 29 march | Sir Andrew Barkworth Wright | ||
| 1949 | december | Sir Percy Wyn-Harris | ||
| 1958 | 19 june | Sir Edward Henry Windley | ||
| 1962 | 29 march | Sir John Warburton Paul | ||
| 1963 | 3 october | UK self-governig colony | David Kwasi Jawara |