In 1906, Persia’s Qajar ruler Mozaffar-od-Dīn Shāh established the Majlis and a constitution, marking a shift toward constitutional monarchy, but Russian intervention in 1911 crushed the constitutionalist movement.
Throughout the early 20th century, Iran became a strategic battleground for imperial powers due to its location and oil resources. Britain backed Reza Khan’s 1921 coup and later, in 1953, the US and UK orchestrated another coup that toppled Prime Minister Mohammad Mosaddegh.
Mohammad Reza Shah Pahlavi pursued rapid modernisation through the White Revolution while strengthening authoritarian control via the SAVAK secret police, creating social tensions among clerics, landowners, merchants, and conservatives.



