Yakubu Gowon

General Yakubu "Jack" Dan-Yumma Gowon (born 19 October 1934) was the head of state (Head of the Federal Military Government) of Nigeria from 1966 to 1975. He took power after one military coup d'état and was overthrown in another. During his rule, the Nigerian government successfully prevented Biafran secession during the 1967–70 Nigerian Civil War.