Yawm al-Khamīs 21 Ramadan A.H. 40
Thursday 28 January A.D. 661
Assassinated by Abd-al-Rahman ibn Muljam, a Kharijite, in Kufa,
who slashed him with a poisoned sword while he was praying.
Buried at the Imám Alí Mosque in Najaf, Iraq.
Importance
Cousin and son in law of Muḥammad. Considered by Shia Islam as the rightful Successor of Muḥammad. The Sunnis acknowledge him as the fourth Caliph. He holds a high position in almost all Sufi Muslim orders (Turuq); the members of these orders trace their lineage to Muḥammad through him.