Cabinet of Singapore 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 its executive authority, and the executive authority of the Parliament of Malaysia ceased to extend to Singapore and vested in the Singapore Government. 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, power and authority, executive or otherwise in respect of Singapore, which revested in the Yang di-Pertuan
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