In the most brutal incident which sent shock waves across the globe, Saudi forces attacked pilgrims during season of Hajj, on July 31, 1987, killing at least 400 of them. A large number of Iranians were also martyred during the Saudi aggression.
Following the incident, Imam Khomeini said in a historic message as following:
“This most horrible event has not only wounded the feelings of the Iranian people but has also shocked the hearts of all freedom-loving people and Muslims all over the world.”