The Ashura Festival is one of the most significant religious events in Iran, observed by millions of Shia Muslims every year. This day marks the martyrdom of Imam Hussein, the grandson of Prophet Muhammad, who was killed in the Battle of Karbala in 680 AD. The day of Ashura falls on the 10th day of Muharram, the first month of the Islamic lunar calendar. In Iran, the commemoration of Ashura is a solemn and emotional event, with participants mourning and expressing grief for the tragedy of Karbala.