Prior to the late 19th century, the geographical area now known as Nigeria was not a single political entity but a mosaic of independent kingdoms, empires, and diverse ethnic groups.

Centuries before the British colonial era, the region encompassing modern-day Nigeria was home to a multitude of sophisticated societies, each with distinct political structures, languages, and cultural practices. In the southwest, the Oyo Empire and the Benin Kingdom held sway, known for their elaborate statecraft, powerful armies, and renowned art. The Hausa city-states and the Sokoto Caliphate dominated the northern parts, characterized by Islamic scholarship, trans-Saharan trade, and organized governance. Further east, groups like the Igbo lived in decentralized communities, while the Kanem-Bornu Empire controlled areas around Lake Chad. These entities engaged in complex relationships, including trade, diplomacy, and warfare, but they operated as independent sovereign units. The idea of a unified 'Nigeria' was entirely alien to these pre-colonial inhabitants, whose loyalties and identities were tied to their immediate communities, clans, or kingdoms, rather than a larger, overarching national concept.