History of Islam By Blacktooth510 570 Muhammad was born Mar 21, 610 Muhammad heard God speak to him Mar 21, 622 Muhammad went to Yathrib; Year 1 of the Muslim Calendar Mar 21, 630 Muhammad returns to Mecca Mar 21, 632 Muhammad dies Mar 21, 656 The Muslins split in two, the Shiites and the Sunnis Mar 21, 717 The Arabs attacked Constantinople and failed Mar 21, 732 The Arabs were defeated at the Battle of Tours Mar 21, 1037 Ibn Sina dies Mar 2, 2022 Harun ar-Rashid becomes caliph Mar 2, 2022 Harun ar-Rashid dies Mar 2, 2022 Muslim scientist and philosopher Ibn Sina was born