He returned to Oman in 1966 and was the subject of sizeable restrictions from his father. In 1970, Qaboos ascended to the Omani throne immediately after overthrowing his father inside a coup d'état, with British assistance. The place was subsequently renamed the Sultanate of Oman. Sultanate of Zanzibar: two incumbents https://andreww864ten4.blog-eye.com/profile