Imam Khomeini returned to Iran from exile on February 1, 1979. He was received by millions of people weeks after the departure of the shah in mid-January 1979.
What Imam had said while delivering his first speech after return to homeland
In a speech given to a huge crowd on the first day of returning to Iran, Imam Khomeini attacked the government of Shapoor Bakhtiar promising "I shall punch their teeth in." He also made a variety of promises to Iranians for his coming Islamic regime: A popularly elected government that would represent the people of Iran