Johnson Aguiyi-Ironsi

Major General Johnson Thomas Umunnakwe Aguiyi-Ironsi MVO, MBE (3 March 1924 – 29 July 1966) was the first Military Head of State of Nigeria. He took control of Nigeria during the 15 January 1966 military coup.
He ruled Nigeria from 16 January 1966 until his assassination on 29 July 1966 by military officials.