Thirty-six years ago, militant students supporting Iran's Islamic Revolution stormed the U.S. Embassy in Tehran and took scores of hostages. Ultimately, 52 Americans were held for 444 days. Click through the gallery to see how the crisis unfolded.
In 1978, Shah Mohammed Reza Pahlavi's authoritarian rule sparks demonstrations and riots in Iran. Government buildings and shops were looted, furniture was set ablaze and documents were thrown into the streets.
The Shah shakes hands with a minister of the new civilian government in Tehran on January 6, 1979. Ten days later, he fled the country and headed to Egypt.
Demonstrators celebrating the Shah's departure flood the streets of Tehran on January 17, 1979.
After 14 years in exile, Ayatollah Ruhollah Khomeini returns to lead Iran on February 1, 1979.