The Federation of Nigeria was granted full independence on 1 October 1960 under a constitution that provided for a parliamentary government and a substantial measure of self - government for the country 's three regions. From 1959 to 1960, Jaja Wachuku was the First Nigerian Speaker of the Nigerian Parliament, also called the "House of Representatives. '' Jaja Wachuku replaced Sir Frederick Metcalfe of Britain. Notably, as First Speaker of the House, Jaja Wachuku received Nigeria 's Instrument of Independence, also known as Freedom Charter, on 1 October 1960, from Princess Alexandra of Kent, The Queen 's representative at the Nigerian independence ceremonies.
who was the last colonial leader of nigeria before she gained her independence
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