1979 Iranian Revolution
January 1978 – February 1979What Happened
Mass protests against Shah Mohammad Reza Pahlavi began with demonstrations in January 1978, escalating through strikes that paralyzed the economy. By September 1978, millions were marching in Tehran. The Shah fled on January 16, 1979. Ayatollah Ruhollah Khomeini returned from exile on February 1 to crowds of millions, and the monarchy collapsed ten days later.
Outcome
The Islamic Republic was established through April 1979 referendum. Revolutionary tribunals executed hundreds of former officials. American embassy hostage crisis began in November 1979.
Iran transformed from a Western-aligned monarchy to an anti-American theocracy. The revolution inspired Islamist movements across the Middle East and established the system current protesters now seek to overthrow—46 years later.
Why It's Relevant Today
The 2026 protests represent the most serious challenge to the Islamic Republic since its founding. Protesters explicitly reject the 1979 revolution by carrying pre-revolutionary lion and sun flags. Crown Prince Reza Pahlavi, who fled as a teenager in 1978, now leads opposition calls for the Islamic Republic's end.
