Muharram is the first month of the Islamic calendar and holds significance for both Sunni and Shi’a Muslims. Ashura, which falls on the 10th day of Muharram, is a day of remembrance and mourning for the martyrdom of Imam Hussain and his companions in the Battle of Karbala. In this month, Iran holds many traditions and different rituals for mourning. Read about it more on this article.