1975 Event Britain grants internal self-government to Seychelles 1973 Event Australia grants self-government to Papua New Guinea 1967 Event Britain grants internal self-government to Swaziland 1963 Event Gambia achieves full internal self-government 1963 Event Zanzibar granted internal self-government by Britain 1962 Event Rwanda granted internal self-government by Belgium 1961 Event Tanganyika granted full internal self-government by Britain
