Mohammad Reza Pahlavi (Persian: محمدرضا پهلوی, pronounced [mohæmˈmæd reˈzɒː pæhlæˈviː]; 26 October 1919 – 27 July 1980), also known as Mohammad Reza Shah (محمدرضا شاه), was the last Shah (King) of the Imperial State of Iran from 16 September 1941 until his overthrow in the Iranian Revolution on 11 February 1979. Owing to his status, he was usually known as the Shah.