The provisional government fell shortly after American Embassy officials were taken hostage on 4 November 1979. Bazargan's resignation was received by Khomeini without complaint, saying "Mr. Bazargan ... was a little tired and preferred to stay on the sidelines for a while." Khomeini later described his appointment of Bazargan as a "mistake."
On November 4, 1979, a group of Iranian students took over the U.S. Embassy in Tehran. The students belonged to the Muslim Student Followers of the Imam's Line and were in support of the Iranian Revolution.
On 4 November, a group of Iranian college students calling themselves the Muslim Student Followers of the Imam's Line, took control of the American Embassy in Tehran, holding 52 embassy staff hostage for 444 days – an event known as the Iran hostage crisis.
On 4 November 1979 youthful Islamists, calling themselves Muslim Student Followers of the Imam's Line, invaded the US embassy compound in Tehran and seized its staff. Revolutionaries were angry because of how the Shah had fled abroad while the Embassy-based American CIA and British intelligence organized a coup d'état to overthrow his nationalist opponent who was a legitimately elected official. The students held 52 American diplomats hostage for 444 days, which played a role in helping to pass the constitution, suppressing moderates, and otherwise radicalising the revolution.
Ronald Reagan announced his candidacy for President of the United States in New York City on November 13, 1979. On July 17, 1980, he became the nominee of the Republican Party for the 1980 presidential election.
Air New Zealand Flight 901, an Antarctic sightseeing flight, on November 28, 1979, collided with Mount Erebus on Ross Island, Antarctica, killing all 237 passengers and 20 crew on board. The flight crew had not been informed that the computer coordinates for the flight path of the McDonnell Douglas DC-10-30 had been changed the night before, directing the flight directly into Mount Erebus rather than the usual path down McMurdo Sound.