Nigerian nationalism most serious threat to the Nigerian unity since Nigeria became independent in 1960, as other ethnic groups threatened that they too would also seek secession should Biafra successfully secede. Nigeria responded to the separatist threat with a military campaign against the Biafran government, resulting in the Nigerian Civil War from 1967 to 1970. The war ended with the defeat of the Biafran separatists. Between one and three million Nigerians died in the war. The 19th century did not witness the emergence of any political organization that could help in airing the grievances and expressing the aspirations of Nigerians on a
Famine they had been until the 1970s. That reduction was achieved despite the approximately 150,000 lives lost in the 2011 Somalia famine. Yet in 2017, the UN officially declared famine had returned to Africa, with about 20 million people at risk of death from starvation in Nigeria, in South Sudan, in Yemen, and in Somalia. In the mid-22nd century BC, a sudden and short-lived climatic change that caused reduced rainfall resulted in several decades of drought in Upper Egypt. The resulting famine and civil strife is believed to have been a major cause of the collapse of the Old Kingdom. An