Legends of Africa wealth gained from trade and its possession of a powerful cavalry. The Oyo Empire was the most politically important state in the region from the mid-17th to the late 18th century, holding sway not only over other Yoruba kingdoms in modern-day Nigeria, Benin, and Togo, but also over other African kingdoms, most notable being the Fon Dahomey (in present-day Benin). The mythical origins of the Oyo Empire lie with Oranyan (also known as Oranmiyan), the second prince of the Yoruba Kingdom of Ile-Ife. Oranyan made an agreement with his brother to launch a punitive raid on their northern neighbors for
Yoruba people the monarchy was open to the election of any free-born male citizen. In Ilesa, Ondo, Akure and other Yoruba communities, there were several, but comparatively rare, traditions of female "Ọbas". The kings were traditionally almost always polygamous and often married royal family members from other domains, thereby creating useful alliances with other rulers. Ibadan, a city-state and proto-empire founded in the 18th century by a polyglot group of refugees, soldiers, and itinerant traders from Ọyọ and the other Yoruba sub-groups largely dispensed with the concept of monarchism, preferring to elect both military and civil councils from a pool of eminent