The British establish a presence around Lagos, which in present day is the most populous city in Nigeria.
Until 1914, Britain governs over Nigeria through "indirect rule", using local leaders.
Nigeria gains its independence.
Three eastern states secede as the Republic of Biafra, sparking a bloody civil war.
The former Biafra regions are reintegrated into Nigeria following a surrender by Biafra's leaders.
The presidents of Nigeria, South Africa, and Algeria launch the New Partnership for African Development, which aims to foster economic development and foreign investment and lift existing trade barriers.
Lenders agree to write off two-thirds of Nigeria's $20 billion foreign debt.
Oil production in Nigeria is cut in half as a result of strikes and militant attacks on oil pipelines. This decrease in production contributes to record-high world oil prices.