1970
- January 21-February 8: Khomeini gives a series of nineteen lectures to a group of his Talaba (students) on Islamic Government while he was in exile in Iraq in the holy city of Najaf. Notes of the lectures were soon made into a book that appeared under three different titles: The Islamic Government, Authority of the Jurist, and A Letter from Imam Musavi Kashef al-Qita (to deceive Iranian censors). The small book (fewer than 150 pages) was smuggled into Iran and "widely distributed" to Khomeini supporters before the revolution.
Read more about this topic: Timeline Of The Iranian Islamic Revolution