The Kingdom of Nri of the Igbo people consolidated in the 10th century and continued until it lost its sovereignty to the British in 1911.
Nri was ruled by the Eze Nri, and the city of Nri is considered to be the foundation of Igbo culture.
Nigeria is a founding member of the African Union and a member of many other international organizations, including the United Nations, the Commonwealth of Nations and OPEC.
Europeans traded goods with peoples at the coast; coastal trade with Europeans also marked the beginnings of the Atlantic slave trade.
For centuries, various peoples in modern-day Nigeria traded overland with traders from North Africa.
Cities in the area became regional centres in a broad network of trade routes that spanned western, central and northern Africa.
Oyo, at its territorial zenith in the late 17th to early 18th centuries, extended its influence from western Nigeria to modern-day Togo.
The Edo's Benin Empire is located in southwestern Nigeria.
The port of Calabar on the historical Bight of Biafra (now commonly referred to as the Bight of Bonny) become one of the largest slave trading posts in West Africa in the era of the transatlantic slave trade.