History of Iran and the United States of America Foreign relations

When the Islamic Revolution climaxed in 1357 and won, Deep hatred of the United States of America in Iran was prevailed. Since Pahlavi autocracy was strengthen and revived by American coup in 28 Mordad 1332 and America was approved and supported regime until the last moments of the life of it. However, in the early days of the victory, Imam Khomeini, urged revolutionary to refrain from attacking foreign embassies. But these demands were ignored by Marxist groups, and on 25 February (Bahman) 1357, linked gunmen of fedayeen khalq guerrillas attacked the America Embassy in Tehran, and take hostage of Ambassador William Sullivan, along with a group of members of the embassy. After a few hours This Issue ended by the involvement of interim government and three days later, the United States government recognize (legalize) the new regime in Iran.