Question: who headed the revolution that overthrew the government of iran
Answer: Enqelāb - e Iran ; also known as the Islamic Revolution or the 1979 Revolution ) refers to events involving the overthrow of the Pahlavi dynasty under Mohammad Reza Shah Pahlavi , who was supported by the United States , and eventual replacement of 2,500 years of continuous Persian monarchy with an Islamic Republic under the Grand Ayatollah Ruhollah Khomeini , the leader of the revolution , supported by a wide range of people including various Islamist and leftist organizations and student movements .