The Battle of Karbala was fought on 10 October 680 between the army of the second Umayyad caliph Yazid I and a small army led by Husayn ibn Ali, the grandson of the Islamic prophet Muhammad, at Karbal
Abbas Al-Musavi's Battle of Karbala, Brooklyn Museum
Coin issued by Yazid I following Sasanian motifs, struck at the Basra mint, dated AH 61 (AD 680/1), the year in which the Battle of Karbala occurred
The al-Abbas Mosque in Karbala
Shrine to those killed at the battle
Hasan ibn Ali was an Alid political and religious leader. The eldest son of Ali and Fatima and a grandson of the Islamic prophet Muhammad, Hasan briefly ruled as caliph from January 661 until August 6
16th-century Ottoman iconographic depiction of Hasan ibn Ali holding a book and bearing a yataghan on his lap
Calligraphic seal featuring Hasan's name, on display in the Hagia Sophia
A view of the modern-day Kufa, the headquarters of Hasan, and its Great Mosque, where he gave his inaugural speech
Iranian Qajar dynasty tapestry, probably a Shia talisman, depicting Ali with Hasan and Husayn (Library of Congress)