Member states of the United Nations ceased to exist. The Federation of Malaya joined the United Nations on 17 September 1957. On 16 September 1963, its name was changed to Malaysia, following the formation of Malaysia from Singapore, North Borneo (now Sabah), Sarawak and the Federation of Malaya. Singapore became an independent State on 9 August 1965 and a Member of the United Nations on 21 September 1965. Tanganyika was admitted to the UN on 14 December 1961, and Zanzibar was admitted to the UN on 16 December 1963. Following the ratification on 26 April 1964 of the Articles of Union between Tanganyika and Zanzibar, the
Federation of Rhodesia and Nyasaland 1950s and early 1960s, the United Kingdom was subjected to pressure to de-colonize from both the United Nations and the Organization of African Unity (OAU). These groups supported the aspirations of the black African nationalists and accepted their claims to speak on behalf of the people. The federation officially ended on 31 December 1963. In 1964, shortly after the dissolution, Northern Rhodesia and Nyasaland became independent under the names Zambia and Malawi, respectively. In 1965, Southern Rhodesia unilaterally declared independence from the United Kingdom as the state of Rhodesia. In 1929, the Hilton Young Commission concluded that "in the present