After the 1960 independence, the first indigenous Governor-General of Nigeria was Hon. Dr. Nnamdi Azikiwe (Zik of Africa). He was representing Queen Elizabeth of England in Nigeria.
The first president of Nigeria was Dr. Nnamdi Azikiwe (Head of State) while Abubakar Tafewa Balewa was the first head of Government.
Nigeria adopted the Republican Government system from 1963 constitutional conference.
The first executive president was Nigeria was Alhaji Shehu Shagari.
The first senate president was Nigeria was Hon. Dr. Nwafor Orizu.
The first military head of state was major Gen. J.U.T Aguiyi Ironsi.
The first military president of Nigeria was Gen. Ibrahim Basamosi Babangida.
The head of the interim national government was Ernest Shenikan.
The first person that led a successful coup in Nigeria was Major Gen. Chukwuma Kaduna Nzeogwu.
The first person that led an unsuccessful coup in Nigeria was Major B. Suka Dimka.
The first military head of state that died in a military coup was Gen. Murtala Mohammed.
The first person that ruled both in military and democratic regimes was Chief Olusegun Obasanjo.