Jan 27 The 4th Caliph of the Rashidun Caliphate, Ali ibn Abu Talib is struck on the head while praying at the Great Mosque of Kufa, Mesopotamia by a poison-coated sword wielded by Ibn Muljam a Kharijite, dies two days later
Jan 29 Rashidun Caliphate, then the largest empire in history, ends with the death of its leader, Ali. Succeeded by the Umayyad Caliphate.
Jan 29 Death of Ali [Ali ibn Abu Talib], 4th Caliph of the Rashidun Caliphate (656-61) and 1st Shia Imam (632-661), assassinated by Ibn Muljam a Kharijite at around 59
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V