Pahlavi (, born Rezā Khan (March 15, – July 26, 1944), was the Shah of the Imperial State of Persia The Columbia Encyclopedia, 6th ed.: Reza Shah from December 15, 1925, until he was forced to abdicate by the Anglo-Soviet invasion of Iran on September 16,
Mohammad Rezā Shāh Pahlavī (Persian: محمد رضا شاه پهلوی, ; 26 October – 27 July 1980) was the Shah of Persia from 16 September until his overthrow by the Iranian Revolution on 11 February He was the second and last monarch of the House of Pahlavi of the Iranian monarchy. At present, he is regarded as the last King of Iran. Mohammad Reza Shah Pahlavi held several titles: His Imperial Majesty, Shahanshah (King of Kings, Emperor), Aryamehr (Light of the Aryans) and Bozorg Arteshtārān (Head of the Warriors, Persian: بزرگ ارتشتاران).