Nigeria: Heads of State

Nigeria: Heads of State: 1963-2015

President of the Republic
1 Oct 1963 - 16 Jan 1966 Nnamdi Chukwuemeka Azikiwe
Head of the Federal Military Government of the Federal Republic of Nigeria
16 Jan 1966 - 24 May 1966 Johnson Thomas Umunnakwe Aguiyi-Ironsi
Head of the National Military Government of the Republic of Nigeria
24 May 1966 - 29 Jul 1966 Johnson Thomas Umunnakwe Aguiyi-Ironsi.
31 Aug 1966 - 29 Jul 1975: Yakubu Cinwa Dan-Yumma Gowon.
29 Jul 1975 - 13 Feb 1976 Murtala Ramat Mohammed.
14 Feb 1976 - 1 Oct 1979 Oluṣẹgun Fajinmi Okikiọlakan Arẹmu Ọbasanjọ.
President of the Federal Republic of Nigeria
1 Oct 1979 - 31 Dec 1983 Shehu Usman Aliyu Shagari.
Head of the Federal Military Government of the Federal Republic of Nigeria
31 Dec 1983 - 27 Aug 1985 Muhammadu Buhari.
President, Commander-in-Chief of the Armed Forces
27 Aug 1985 - 26 Aug 1993 Ibrahim Badamasi Babangida.
Head of the Interim National Government
26 Aug 1993 - 17 Nov 1993 Ernest Adegunle Oladeinde Shonekan.
Head of State.
17 Nov 1993 - 8 Jun 1998 Sani Abacha
9 Jun 1998 - 29 May 1999 Abdulsalam Abubakar.
President of the Federal Republic of Nigeria
29 May 1999 - 29 May 2007 Oluṣẹgun Fajinmi Okikiọlakan Arẹmu Ọbasanjọ
29 May 2007 - 5 May 2010 Umaru Musa Yar'Adua.
5 May 2010 - Goodluck Ebele Jonathan, PhD.
29, May 2015 - Muhammadu Buhari, GCFR (born 17 December 1942) is the President of Nigeria, in office since 2015. He is a retired Major General in the Nigerian Army and previously served as the nation's Head of State from 31 December 1983 to 27 August 1985, after taking power in a military coup d'état.
The term Buharism  is ascribed to the Buhari military government.