History of the Iban people war. At this time Sarawak came under the temporary military administration of the Australian forces, who were particularly prominent in the liberation of Borneo. Sarawak got its own independence from the British on 22 July 1963 while Sabah got its independence on 31 August 1963. On 16 September 1963, the Federation of Malaysia was formed between the Federation of Malaya at that time, Sabah (North Borneo), Sarawak and Singapore. Brunei refused to join the formation of Malaysia and got its independence in 1984 from the British. The Cobbold Commission which surveyed Sarawakians about the formation of Malaysia reported a third
Federation in practice highly centralized under the government of the Soviet Union. The Russian Federation has inherited a similar system. Nigeria, Pakistan, India and Malaysia became federations on or shortly before becoming independent from the British Empire. In some recent cases, federations have been instituted as a measure to handle ethnic conflict within a state, such as Bosnia and Herzegovina, and Iraq since 2005. With the United States Constitution having become effective on 4 March 1789, the United States is the oldest surviving federation. On the other end of the timeline is Nepal, which became the newest federation after its constitution