The US Embassy hostages in Iran.
Americans turned against Iran when Iranian rebels held 54 US Embassy officials hostage for over 400 days.
Iran
Iran held 52 US diplomats hostage for 444 days from November 4, 1979 to January 20, 1981[1]
Did you mean "Why did the Middle East country hold Americans hostage for 444 days?"
Iran
Iran
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The end of the Cold War with the Soviet Union, prosperity for the first time in years, and the end of the 444 days of Americans being held hostage by Iran.
Iran released 66 Americans held hostage only after Ronald Reagan became president. The hostages were taken during the Iran hostage crisis, which began in 1979. They were freed on January 20, 1981, the same day Reagan was inaugurated. This release was seen as a significant moment in Reagan's presidency and U.S.-Iran relations.
In Iran, Islamist forces deposed the Shah in February, 1979 and in November 1979, armed students took US diplomatic personnel hostage and held them for 444 days, until January 20, 1981.
Jimmy Carter himself was never taken hostage, but the Iran Hostage Crisis occurred during his presidency.