Topic 8 Timeline By simondo443 44 BCE The assassination of Julius Caesar 27 BCE Augustus became the first Roman Emperor. 11 BCE Augustus married Julia to his general and stepson Tiberus 117 (117 CE) The Roman empire reaches it's largest extent 313 (313 CE) Emperor Constantine ends the persecution of Christians in the empire. 476 (476 CE) The western Roman Empire collapses 527 (527 CE) Justinian becomes Byzantine emperor 800 (800 CE) Charlemagne is crowned emperor of the Holy Roman empire by the pope. 1054 (1054 CE) Great schism divides eastern orthodox and the Roman Catholic churches. 1453 (1453 CE) Constantinople falls to the Ottoman,Turks,Byzantine empire ends.