Majeure Niger Delta Ethnic group: Urhobo, Isoko, Itsekiri, Ijaw, Ukwuani, Edo, Esan, Ogoni, Kalabari and many more. Proposed: Autonomous regionalism: Niger Delta...

mid-fifteenth century CE and others suggest that the walls of Benin (in the Esan region) may have been constructed during the first millennium AD. The Benin...