Dashed left edge = started before November 644 ·
Dashed right edge = ongoing beyond November 644
Events in November 644 3
586 – 644Umar ibn al-Khattab (586-644)Died 3 November 644, aged 58Umar was the second Caliph of the Rashidun Caliphate, overseeing the Arab conquests of Sasanian Persia, the Byzantine Levant, and Egypt during his decade of rule. He was assassinated in Medina by Abu Lu'lu'a Firuz, a Persian captive taken during the conquest of Persia.
644Uthman ibn Affan becomes third CaliphElected by the six-member council Umar named before his deathAfter Umar's assassination, a council of senior companions he had appointed on his deathbed chose Uthman ibn Affan to lead the Rashidun Caliphate. His accession continued the caliphate's rapid expansion into North Africa and Central Asia.
644Assassination of Caliph Umar ibn al-KhattabSecond Rashidun Caliph fatally stabbed during morning prayersAbu Lu'lu'a Firuz, a Persian captive seeking revenge for the Arab conquest of Persia, stabbed Umar ibn al-Khattab while he led the dawn prayer in the mosque at Medina. Umar died of his wounds, throwing the succession of the Rashidun Caliphate into the hands of a council he appointed on his deathbed.