In January of 1966, a group of army officers, led by General Johnson Aguiyi-Ironsi, overthrew the central and regional governments, killed the prime minister, took control of the government, and General Johnson Aguiyi-Ironsi was named Military Head of State.
In January of 1966, a group of army officers, led by Major Chukwuma Kaduna Nzeogwu, overthrew the central and regional governments, killed the prime minister, and partially took control of the government. They were foiled by other forces and General Johnson Aguiyi-Ironsi was named Military Head of State.