Which country became a self-governing state within the British Empire in 1959, declared independence from Britain, joining the Federation of Malaysia in 1963, and left the federation on 9 August 1965?
Which country declared independence from Britain unilaterally in August 1963, joined the Federation of Malaysia in September along with Malaya, Sabah and Sarawak, but left two years later, officially gaining sovereignty on 9 August 1965?
