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| YEAR | DATE | EVENT | GOVERNOR |
| 1890 | 26 december | UK Protectorate | Frederick John Dealtry Lugard |
| 1893 | 17 march | Sir Gerald H. Portal | |
| 1893 | 30 may | MacDonald | |
| 1893 | 4 november | Henry Edward Colville | |
| 1894 | 10 may | Frederick Jackson | |
| 1894 | 24 august | Ernest James Berkeley | |
| 1899 | december | Sir Harry Hamilton Johnston | |
| 1901 | 4 november | Sir James Hayes Sadler | |
| 1905 | 1 april | UK colony | |
| 1907 | 20 november | Henry Hesketh Joudou Bell | |
| 1910 | 1 february | Harry Edward Spiller Cordeaux | |
| 1911 | 3 april | Sir Frederick John Jackson | |
| 1918 | 10 february | Sir Robert Thorne Coryndon | |
| 1922 | 15 august | Sir Geoffrey Francis Archer | |
| 1925 | 18 may | Sir William Frederick Gowers | |
| 1932 | 23 november | Sir Bernard Henry Bourdillon | |
| 1935 | 17 october | Sir Philip Euen Mitchell | |
| 1940 | 7 july | Sir Charles Cecil Farquharson Dundas | |
| 1945 | 1 january | Sir John Hathorn Hall | |
| 1952 | 17 january | Sir Andrew Benjamin Cohen | |
| 1957 | 26 february | Sir Frederick Crawford | |
| 1961 | 19 october | Sir Walter Fleming Coutts |
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| YEAR | DATE | EVENT | PRIME MINISTER | GOVERNOR |
| 1962 | 1 march | UK self governing Protectorate | Kabimu Mugumba Benedicto Kiwanuka | Sir Walter Fleming Coutts |
| 1962 | 30 april | Milton Obote |
| YEAR | DATE | EVENT | KING/PRESIDENT | PRIME MINISTER | GENERAL GOVERNOR |
| 1962 | 9 october | Independent into Commonwealth | queen Elisabeth II | Milton Obote | Sir Walter Fleming Coutts |
| 1963 | 9 october | Federal Republic | Sir Edward Mutesa king of Buganda | Milton Obote | |
| 1966 | 15 april | Republic | Milton Obote (I) | - | |
| 1971 | 25 january | gen. Idi Amin Dada | |||
| 1979 | 13 april | Yusufu K. Lule | |||
| 1979 | 20 june | Godfrey L. Binaisa | |||
| 1980 | 12 may | Paul Muwanga | |||
| 1980 | 22 may | Saulo Musoke, Polycarp Nyamuchoncho, Yoweri Hunter Wacha-Olwol | |||
| 1980 | 15 december | Milton Obote (II) | Erifasi Otema Allimadi | ||
| 1985 | 27 july | gen. Basilio Olara Okello | Paulo Muwanga | ||
| 1985 | 25 august | Abraham Waligo | |||
| 1986 | 26 january | Yoweri Museveni | Samson Kisekka | ||
| 1991 | 22 january | George Cosmas Adyebo | |||
| 1994 | 18 november | Kintu Musoke | |||
| 1999 | 5 april | Apolo Nsibambi |