Ali ibn Abi Talib, the fourth Rashidun Caliph and first Shia Imam, was assassinated on 26 January 661 by a Kharijite named Abd al-Rahman ibn 'Amr ibn Muljam al-Muradi at the Great Mosque of Kufa, located in present-day Iraq. Ali died from his wounds two days after Abd al-Rahman struck him over his head with a poison-coated sword. He was 62 or 63 years of age at the time of his death on 21 (or 19) Ramadan 40 AH, equivalent to 28 January 661 CE.