Federal Republic of Nigeria

State · 1961–2026 CE · at its largest around 1969 CE

Africa's most populous country, a federation formed from British colonial territories and independent since 1960. It endured the Biafran civil war of 1967–1970 and long periods of military rule.

On its lands while it lasted

Nigerian Civil War (1967–1970 CE): War between Nigeria and the secessionist state of Biafra; a blockade caused a famine, and an estimated 500,000 to two million civilians died.
Boko Haram insurgency (2009 CE): Jihadist insurgency centred on northeastern Nigeria and the Lake Chad basin that has killed tens of thousands and displaced millions.