Millions of Shia Muslims in Iran mark Arba\\\'een ceremonies across the country. Iranians have marked one of the most important events on the Shia religious calendar, Arbaeen. This marks 40 days since the martyrdom anniversary of the third Shia Imam. Forty days is the usual length of mourning in many Islamic cultures, and the fortieth day is marked with a mourning ceremony. Imam Hussein is immortalized by Shias for choosing death instead of subjugation to a tyrant. His movement has come to symbolize resistance against tyranny and oppression. The movement of Imam Hussein is one of the central aspects of the Shia Muslim belief and still after hundreds of years Shia Muslims commemorate this day. Show Less >>