From this map, I can see that Nigeria isn't very populated. That makes sense for it to be a small country. It might be more populated near the water because of the water crisis there.
Previous Name: Nigeria was always Nigeria.
Government Before Overthrown: Democracy
Democracy: where the citizens have power
Year Government Overthrown: 1966
People Involved: Johnson Aguiyi-Ironsi; Prime Minister Alhaji Sir Abubakar Tafawa Balewa
What Happened: Ironsi, head of the military, took over the government by overthrowing Prime Minister Alhaji Sir Abubakar Tafawa Balewa and set up a dictatorship.
Significant Details/Events: Ironsi and his military coup killed the prime minister along with some senior officials and took control of the government, leading it to be a dictatorship.
Other Countries Involved: Only military was involved.
Type of Government After Overthrown: Dictatorship
Dictatorship: Power is held by the military.