Mohammad Reza Shah Pahlavi (26 October 1919 – 27 July 1980) was the king of Iran (Shah of Iran) from 16th September 1941 until his overthrow by the Islamic Revolution on 11 February 1979. He took the title Shāhanshāh (“Emperor” or “King of Kings”) on 26 October 1967. He was the second and last monarch of the House of Pahlavi of the Iranian monarchy. Mohammad Reza Shah Pahlavi held several other titles, including that of Aryamehr (Light of the Aryans) and Bozorg Arteshtārān (Head of the Warriors, Persian: Bozorg Arteshdārān)