Oyo Empire metropolitan Oyo. This may have been fine in the 15th century when Oyo controlled only its heartland. But to make and maintain farther conquest, the structure underwent several changes. Oyo maintained a semi-standing army of specialist cavalry soldiers called the "Eso", the "Esho" or, formally, the Eso of Ikoyi. These were 70 junior war chiefs who were nominated by the Oyo Mesi and confirmed by the Alaafin of Oyo. The Eso were appointed for their military skill without regard to heritage and were led by the Are-Ona-Kakanfo. After Oyo's return from exile, the post of Are-Ona-Kakanfo was established as the
History of the Yoruba people site of earth creation in the Yoruba mythology. As Oduduwa migrated to Ile-Ife, he had a son and he became the first ruler for the Oyo empire. The Oyo kingdom has subjugated the kingdom of Dahomey. It traded with European merchants on the coast through Ajase. The wealth of the town increased and as well as political leaders wealth increased. This was not resolved till Abiodun went against his opponents in a bitter civil war and had a rule for economic development based on the trade with European merchants. The downfall of the kingdom came as Abiodun became concerned with