Yom Ashura
Hundreds of Shia Muslims gather around the Husayn Mosque in Karbala after making the Pilgrimage on foot during Arba'een. Arba'een is a forty day period that commemorates the martyrdom of Husayn bin Ali, grandson of the Prophet Muhammad, and seventy-two of his followers at the Battle of Karbala in the year 680 AD (photo: commons.wikimedia.org).
