He returned to Oman in 1966 and was the subject of substantial restrictions from his father. In 1970, Qaboos ascended for the Omani throne after overthrowing his father inside a coup d'état, with British assist. The region was subsequently renamed the Sultanate of Oman. Sultanate of Zanzibar: two incumbents (within https://sultan-6644332.mybloglicious.com/52890921/little-known-facts-about-sultan66