Photos: Arbaeen procession in Louisville, Kentucky (U.S)

1438-2016 - Arbaeen procession in Louisville, Kentucky (U.S). Arba'een (Arabic: الأربعين‎, "forty"), Chehelom (Persian: چهلم‎‎, the fortieth [day]") is a Shia Muslim religious observance that occurs forty days after the Day of Ashura. It commemorates the martyrdom of Hussain ibn Ali, the grandson of Prophet Muhammad (PBUT), which falls on the 20th day of the month of Safar. Imam Hussain ibn Ali and 72 companions were martyred by tyrant Yazid I's army in the Battle of Karbala in 61 AH (680 CE). Arbaeen is one of the largest pilgrimage gatherings on Earth, in which up to 30 million people go to the city of Karbala in Iraq.