Mourners lined the streets in Kyegegwa to pay their respects to Uganda's King Oyo Nyimba, whose body arrived back in the country after his death ▻ ↧ Body of King Oyo Nyimba, once world's youngest monarch, returns to ... The body of Uganda's King Oyo Nyimba, who became the world's youngest reigning monarch when he took the throne at the age of three in 1995, arrived ​back in the country on Friday after his death from cancer, and ahead ‌of burial on September 12.