With the 1979 Islamic Revolution in Iran, Shiites in the region felt encouraged to try to secure equal treatment as that given to Sunnis. Shiites in Saudi Arabia were very receptive to Ruhollah Khomeini and his attacks on the Saudi royal family on the grounds that Islam and hereditary kingship are not compatible. As a result, 1979 saw a marked increase in the mobilization of the Shiite community in Saudi Arabia, with demonstrations often being centered on Shiite festivals. The celebration of these festivals, including that of the Day of Ashura, was banned.