Looking Back: 1979 U.S. Embassy Siege In Tehran

Iranians burn U.S. flags outside the former U.S. Embassy in Tehran on November 4, 2014.

Iranians burn U.S. flags outside the former U.S. Embassy in Tehran on November 4, 2014.

The final seizure of the U.S. Embassy in Tehran began on November 4, 1979, when some 400 radical Iranian students stormed through the gates and climbed over the walls. The students demanded that the Shah of Iran be extradited from the United States, where he had fled to receive medical treatment. The shah had expelled Khomeini in 1964.

Some 90 Americans were originally taken hostage inside the compound by the students.

The front page of the "Itilaat" newspaper on November 4, 1979, was devoted to news of the embassy seizure. Khomeini gave his blessing to the display of force.

Thirteen female and black hostages were released. Some spoke to the press as one of their captors (right) watched.

Former hostages, released by their captors, arrive at France's Orly airport on November 20, 1979.

Supporters of the Iranian Revolution demonstrate outside the U.S. Embassy in Tehran during the crisis.

Revolutionaries demonstrate in front of the U.S. Embassy in Tehran. On April 24, 1980, a rescue mission to release the hostages failed after two aircraft collided in the Iranian desert. Eight U.S. soldiers were killed.

An effigy of then-U.S. President Jimmy Carter is carried outside the embassy on November 18, 1979. Carter froze Iranian assets in the United States and cut diplomatic ties with Iran.

Student leader Ayatollah Musavi Khoeniha speaks from the top of a U.S. Embassy wall on the siege's first anniversary.

All 52 of the remaining hostages were eventually released on January 20, 1981, after 444 days in captivity. The freed Americans were welcomed at Andrews Air Force Base in Maryland on January 27, 1981.