The long term causes of the Iranian Hostage Crisis was that the United States and Iran could not trust each other.
The key people involved were president Jimmy Carter and his major role was that he sent former attorney general Ramsey Clark and senate intelligence committee staff director William Miller to Iran to negotiate the release of the hostages.
Background: On November 4, 1979, a group of Iranian students stormed the U.S. Embassy in Tehran, taking more than 60 American hostages.
What actually happened: 52 American diplomats and citizens were held hostage for 444 days from November 4, 1979, to January 20, 1981
Future events: "The Lebanon Hostage Crisis" This systematic series of abductions in Lebanon involved 96 foreign nationals being taken as captives between 1982 and 1992.
Pop culture: The movie Argo was represented in pop culture and was based on the taking of hostages by Iranian revolutionaries.