Pedra Branca, Singapore ceded by the Government of the State of Johore or in any other way disposed of". The Acting State Secretary of Johor replied on 21 September that "the Johore Government does not claim ownership of Pedra Branca". This correspondence indicated that as of 1953 Johor understood it did not have sovereignty over Pedra Branca, which had therefore vested in the United Kingdom. The Colony of Singapore became a self-governing state in 1959, and left the British Empire to join the Federation of Malaysia in 1963. Two years later, in 1965, Singapore became a fully independent republic. In 1959, in an
Malaysia Some are federally gazetted public holidays and some are observed by individual states. Other festivals are observed by particular ethnic or religion groups, and the main holiday of each major group has been declared a public holiday. The most observed national holiday is "Hari Merdeka" (Independence Day) on 31 August, commemorating the independence of the Federation of Malaya in 1957. Malaysia Day on 16 September commemorates federation in 1963. Other notable national holidays are Labour Day (1 May) and the King's birthday (first week of June). Muslim holidays are prominent as Islam is the state religion; "Hari Raya Puasa" (also