Who was the political head of the old Oyo Empire?

Related questions

1. Who is the governor of Oyo State 2019?
2. How many local government do we have in Oyo State?
3. Who is the governor in Oyo State?
4. What is the history of Oyo State?
5. Who is the head of service in Oyo State?
6. Who is Oyo State Commissioner for Education?
7. How many senatorial district do we have?
8. How many senatorial districts are there in Oyo State?
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Tags

1. #means
2. #people
3. #yoruba
4. #supreme
5. #meaning
6. #language
7. #owner
8. #empire
9. #alaafin
10. #overlord
11. #referred
12. #palace