The events of the Day of Ashura are the events that happened for Imam al-Hussain (a) and his family, in the battle with the army of Yazid b. Mu'awiya led by 'Umar b. Sa'd on Muharram 10, 61/October 13, 680 in the land of Karbala which led to the martyrdom of Imam al-Hussain (a), his companions and his relatives. The rest of his caravan were also taken as captives.