Following the 1966 Nigerian coup d'état, which resulted in the death of Premier Ahmadu Bello. Katsina was appointed Governor of Northern Nigeria. He served as a counter balance to the military hardliners led by General Murtala Mohammed, who wanted the region to secede following the death of Ahmadu Bello. He participated in the 1966 Nigerian counter-coup which overthrew General Johnson Aguiyi-Ironsi and brought General Yakubu Gowon to power. He was later appointed a member of the Supreme Military Council of Nigeria.