1895–1920 East Africa Protectorate 1899–1956 Anglo-Egyptian Sudan - 20th century 1900–1914 Northern Nigeria 1900–1914 Southern Nigeria 1900–1910 Orange River Colony 1900–1910 Transvaal Colony 1906–1954 Nigeria Colony 1910–1931 South Africa 1911–1964 Northern Rhodesia (Zambia) 1914–1954 Nigeria Colony and Protectorate 1915–1931 South West Africa (Namibia) 1919–1960 Cameroons (Cameroon) 5 1920–1963 Kenya 1922–1961 Tanganyika (Tanzania) 5 1954–1960 Nigeria