From 1965 to 1967, Buhari served as commander of the Second Infantry Battalion and appointed brigade major, Second Sector, First Infantry Division, April 1967 to July 1967. Following the bloody 1966 Nigerian coup d'état, which resulted in the death of Premier Ahmadu Bello. Lieutenant Buhari alongside several young officers from Northern Nigeria, took part in the July counter-coup which ousted General Aguiyi Ironsi replacing him with General Yakubu Gowon.