Oyo Empire which were some of the major cities that flourished after the collapse. Oyo Empire The Oyo Empire was a Yoruba empire of what is today Western and North central Nigeria. Established in the 15th century, the Oyo Empire grew to become one of the largest West African states. It rose through the outstanding organizational and administrative skills of the Yoruba people, wealth gained from trade and its 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 most of the other kingdoms in
History of the Yoruba people little other than the displays of royal wealth. Most of the city states were controlled by "Obas", elected priestly monarchs, and councils made up of "Oloyes", recognised leaders of royal, noble, and often even common descent, who joined them in ruling over the kingdoms through a series of guilds and cults. Different states saw differing ratios of power between the kingship and the chiefs' council. Some, such as Oyo, had powerful, autocratic monarchs with almost total control, while in others such as the Ijebu city-states, the senatorial councils were supreme and the Ọba served as something of a figurehead. In