Decolonization By AaronGorley Period: Jan 1, 1948 to Jan 1, 1994 Apartheid South African laws that promoted a Racial Hierarchy among its citizens. Nelson Mandela was the main figure to oppose it. Period: Jan 1, 1952 to Jan 1, 1960 Mau Mau Uprising The war to overthrow the British in Kenya. Led by the Kikuyu tribe.