Government of Singapore and merger with Malaysia in 1963. Apart from that, the executive branch of the Singapore Government remained largely unchanged, although now it governed a state within a larger federation. However, with effect from 9 August 1965, Singapore left the Federation of Malaysia and became a fully independent republic. On separation from Malaysia, the Singapore Government retained the executive authority it held, and took on additional executive authority over Singapore that the Parliament of Malaysia relinquished. The Yang di-Pertuan Agong, the Supreme Head of State of Malaysia, also ceased to be the Supreme Head of Singapore and relinquished his sovereignty, jurisdiction,
Federation of Nigeria government). The Federal Republic of Nigeria came into existence on 1 October 1963. The monarchy was abolished and Nigeria became a republic within the Commonwealth. Following the abolition of the monarchy, former Governor-General Nnamdi Azikiwe became President of Nigeria. Elizabeth II did not visit the Federation of Nigeria between 1960 and 1963. She did visit: Federation of Nigeria The Federation of Nigeria was a predecessor to modern-day Nigeria. It existed between 1 October 1960 and 1 October 1963. When British rule ended in 1960, the Nigeria Independence Act 1960 transformed the Federation of Nigeria into an independent sovereign state. The