


and vessels of other countries in the Persian Gulf and support for terrorism. These sanctions were lifted in January 1981 after the hostages were released, but they were reimposed by the United States in 1987 in response to Iran's actions from 1981 to 1987 against the U.S. The first sanctions were imposed by the United States in November 1979 after a group of radical students seized the American Embassy in Tehran and took hostages.

Iran was the most sanctioned country in the world until it was surpassed by Russia following its invasion of neighboring Ukraine in February 2022. There have been a number of sanctions against Iran imposed by a number of countries, especially the United States, and international entities. Iran–United States relations after 1979.Economic sanctions against Iran by the United States and other countries
