Kigezo:Nigerian Heads of State

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v d e Presidents of Nigeria (List)
First Republic	Azikiwe
Military regime	Aguiyi-Ironsi • Gowon • Mohammed • Obasanjo
Second Republic	Shagari
Military regime	Buhari • Babangida • Shonekan (interim)* • Abacha • Abubakar
Fourth Republic	Obasanjo • Yar'Adua • Jonathan
* civilian; headed transition to abortive Third Republic