1924 - Aguiyi-Ironsi was born in Umuahia, Nigeria on March 3, 1924.
1942 - Joined the Nigerian Army.
1948 - Became 2nd Lieutenant in the Royal West African Frontier Force.
1953 - Promoted to the rank of Captain.
1955 - Promoted to the rank of Major.
1960 - Promoted to the rank of Lieutenant Colonel.
1961 - Headed the Nigerian contingent in the United Nations Force.
1964 - Promoted to the rank of Major General and became the head of the Nigerian Army in February.
1966 - Became the first military Head of State of Nigeria after a military coup and commanded the Armed Forces. He was killed durin a coup d'etat that took place on July 29, 1966.
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