Mohammad Reza Pahlavi (Persian: محمدرضا پهلوی ‎, translit. Mohammad Reza Pahlavi, pronounced (mohæmˈmæd reˈzɒː ˈʃɒːh pæhlæˈviː); 26 October 1919 -- 27 July 1980), also known as Mohammad Reza Shah (محمدرضاشاه Mohamad Rezā Ŝāh), was the last Shah of Iran from 16 September 1941 until his overthrow by the Iranian Revolution on 11 February 1979. Mohammad Reza Shah took the title Shahanshah ("King of Kings '') on 26 October 1967. He was the second and last monarch of the House of Pahlavi. Mohammad Reza Shah Pahlavi held several other titles, including that of Aryamehr ("Light of the Aryans '') and Bozorg Arteshtaran ("Commander - in - Chief ''). His dream of what he referred to as a "Great Civilisation '' (Persian: تمدن بزرگ ‎, translit. tamadon - e bozorg) in Iran led to a rapid industrial and military modernisation, as well as economic and social reforms.
when did the shah of iran take power
16 September 1941