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The term oba refers to a ruler of several African peoples in western Nigeria. Historically, the oba was the sacred king of the Benin kingdom, a powerful state in the West African forest region from the 13th to the 19th century. Tradition states that the first oba of Benin was Prince Oranmiyan's son, Eweka, in the 13th century.12

The oba held supreme political, judicial, economic, and spiritual authority. Under influential rulers like Ewuare the Great (c. 1440–80), the Benin kingdom expanded significantly, and its capital was rebuilt with impressive fortifications. The oba and their ancestors became objects of state cults, which sometimes involved human sacrifice.2

The Yoruba people, another major ethnic group in Nigeria, also traditionally have a hereditary king, or oba, who is considered sacred and serves as a ritual leader. While Yoruba kingships still exist, their political power is now limited.3

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