The Iranian Revolution (Persian: انقلاب ایران ‎, translit. Enqelāb - e Iran; also known as the Islamic Revolution or the 1979 Revolution) refers to events involving the overthrow of the 2,500 years of continuous Persian monarchy under Mohammad Reza Shah Pahlavi, who was supported by the United States, and eventual replacement with an Islamic Republic under the Grand Ayatollah Ruhollah Khomeini, the leader of the revolution, supported by various Islamist and leftist organizations and student movements.
who came to power after the iranian revolution
the Grand Ayatollah Ruhollah Khomeini