History of Africa usually governed by an "oba" and an "iwarefa", a council of chiefs who advised the "oba." by the 18th century, the Yoruba city-states formed a loose confederation, with the "Oni" of Ife as the head and Ife as the capital. As time went on, the individual city-states became more powerful with their "obas" assuming more powerful spiritual positions and diluting the authority of the "Oni" of Ife. Rivalry became intense among the city-states. The Oyo Empire rose in the 16th century. The Oyo state had been conquered in 1550 by the kingdom of Nupe, which was in possession of cavalry,
History of the Yoruba people main groupings. The first one is the recent immigrants that moved to the United States and the United Kingdom after the political and economic changes in the 1960's and 1980's. The second group of people are the slaves who migrated to South America countries like Cuba, Trinidad, Brazil, Grenada, and other countries. Many people today who are part of the Yoruba culture are Muslims and Christians. History of the Yoruba people The documented history of the Yoruba people begins with the Oyo Empire, which became dominant in the early 17th century. The older traditions of the formerly dominant Ile-Ife kingdom