middle age By luciaa/22 395 western roman empire roma 395 easten roman empire byzantine constantinople 476 fall of wre 534 Hagia Sophia 570 Muhammad, prophet Muhammad had been born in Mecca 600 umayyads 622 islam 622 Hegira The first of the Hegira marks the first yar in the Muslim calendar 661 Umayyad - Mascus 732 Charles stopped the muslims conquests 732 Battle of poitiers 741 Charles Martel Founder of an Empire 751 Pepin the short 800 Holy roman emperor 800 Abbasid Bagdad 843 Division of the empire.Treaty of verdun 1453 Fall of constantinople 1492 dicover of America