nigeria By dwlehrhardt Period: 1956 to 1956 x 1960 Independence 1960 Nnamdi Azikiwe president of the senate 1960 Abubakar T. Balewa prime minister Oct 1, 1963 Nigeria becomes a Republic 1966 Col. Yakubu Gowon head of state Jan 15, 1966 Gen. Aguiyi-Ironsi head of state 1967 Biafran civil war 1973 Oil boom 1975 Gen. Murtala Muhammed head of state 1976 Olusegun Obasanjo head of state 1979 Shehu Shagari wins presidency 1983 Gen. Muhammad Buhari head of state 1985 Gen. Ibrahim Babangida head of state 1993 Aborted Third Republic 1993 Gen. Sani Abacha head of state 1993 Ernest Shonekan interim president 1998 Gen. Abdulsalam Abubakar head of state 1999 Obasanjo elected president 2000 Introduction Sharia 2005 Niger Delta conflict 2007 Umaru M. Yar'Adua elected president 2010 Goodluck Jonathan replaces Yar'Adua 2010 Boko Haram crisis escalates 2015 Muhammad Buhari elected president
