Reza Shah
Overview
 
Rezā Shāh, also known as Rezā Shāh Pahlavi and Rezā Shāh Kabir (Reza Shah the Great), (March 15, 1878 – July 26, 1944), was the Shah
Shah
Shāh is the title of the ruler of certain Southwest Asian and Central Asian countries, especially Persia , and derives from the Persian word shah, meaning "king".-History:...

 of the Imperial State of Iran
Pahlavi dynasty
The Pahlavi dynasty consisted of two Iranian/Persian monarchs, father and son Reza Shah Pahlavi and Mohammad Reza Shah Pahlavi The Pahlavi dynasty consisted of two Iranian/Persian monarchs, father and son Reza Shah Pahlavi (reg. 1925–1941) and Mohammad Reza Shah Pahlavi The Pahlavi dynasty ...

 from December 15, 1925, until he was forced to abdicate
Abdication
Abdication occurs when a monarch, such as a king or emperor, renounces his office.-Terminology:The word abdication comes derives from the Latin abdicatio. meaning to disown or renounce...

 by the Anglo-Soviet invasion of Iran
Anglo-Soviet invasion of Iran
The Anglo-Soviet invasion of Iran was the Allied invasion of the Imperial State of Iran during World War II, by British, Commonwealth, and Soviet armed forces. The invasion from August 25 to September 17, 1941, was codenamed Operation Countenance...

 on September 16, 1941.

In 1925, Reza Shah overthrew Ahmad Shah Qajar
Ahmad Shah Qajar
Ahmad Shah Qajar ‎ was Shah of Iran from July 16, 1909, to October 31, 1925 and the last of the Qajar dynasty.- Reign :...

, the last Shah
Shah
Shāh is the title of the ruler of certain Southwest Asian and Central Asian countries, especially Persia , and derives from the Persian word shah, meaning "king".-History:...

 of the Qajar dynasty
Qajar dynasty
The Qajar dynasty was an Iranian royal family of Turkic descent who ruled Persia from 1785 to 1925....

, and founded the Pahlavi dynasty
Pahlavi dynasty
The Pahlavi dynasty consisted of two Iranian/Persian monarchs, father and son Reza Shah Pahlavi and Mohammad Reza Shah Pahlavi The Pahlavi dynasty consisted of two Iranian/Persian monarchs, father and son Reza Shah Pahlavi (reg. 1925–1941) and Mohammad Reza Shah Pahlavi The Pahlavi dynasty ...

. He established a system of government that revitalized the goals of the Constitutional Revolution of Iran where for the first time Iranians were seeking for rulers who do not remain in power for eternity.
 
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