311. Galerius abandoned the persecution of the Christians. 312. Constantine the Great became emperor. 323. Constantine presided over the Council of Nicïa. 337. Constantine baptized on his deathbed. 361-3. Julian the Apostate attempted to substitute Mithraism for Christianity. 392. Theodosius the Great emperor of east and west. 395. Theodosius the Great died. Honorius and Arcadius redivided the empire with Stilicho and Alaric as their masters and protectors. 410. The Visigoths under Alaric captured Rome. 425. Vandals settling in south of Spain. Huns in Pannonia, Goths in Dalmatia. Visigoths and Suevi in Portugal and North Spain. English invading Britain. 439. Vandals took Carthage. 451. Attila raided Gaul and was defeated by Franks, Alemanni and Romans at Troyes. 453. Death of Attila. 455. Vandals sacked Rome. 470. Odoacer, king of a medley of Teutonic tribes, informed Constantinople that there was no emperor in the West. End of the Western Empire. 493. Theodoric, the Ostrogoth, conquered Italy and became King of Italy, but was nominally subject to Constantinople. (Gothic kings in Italy. Goths settled on special confiscated lands as a garrison.) 527. Justinian emperor. 529. Justinian closed the schools at Athens, which had flourished nearly a thousand years. Belisarius (Justinian’s general) took Naples. 531. Chosroes I began to reign. 543. Great plague in Constantinople. 553. Goths expelled from Italy by Justinian. Justinian died. The Lombards conquered most of North Italy (leaving Ravenna and Rome Byzantine). 570. Muhammad born. 579. Chosroes I died. (The Lombards dominant in Italy.) 590. Plague raged in Rome. Chosroes II began to reign. 610. Heraclius began to reign. 619. Chosroes II held Egypt, Jerusalem, Damascus, and armies on Hellespont. Tang dynasty began in China. 622. The Hegira. 627. Great Persian defeat at Nineveh by Heraclius. Tai-tsung became Emperor of China. 628. Kavadh II murdered and succeeded his father, Chosroes II. Muhammad wrote letters to all the rulers of the earth. 629. Muhammad returned to Mecca. 632. Muhammad died. Abu Bekr Caliph. 634. Battle of the Yarmuk. Moslems took Syria. Omar second Caliph. 635. Tai-tsung received Nestorian missionaries. 637. Battle of Kadessia. 638. Jerusalem surrendered to the Caliph Omar. 642. Heraclius died. 643. Othman third Caliph. 655. Defeat of the Byzantine fleet by the Moslems. 668. The Caliph Moawija attacked Constantinople by sea. 687. Pepin of Hersthal, mayor of the palace, reunited Austrasia and Neustria. 711. Moslem army invaded Spain from Africa. 715. The domains of the Caliph Walid I extended from the Pyrenees to China. 717-18. Suleiman, son and successor of Walid, failed to take Constantinople. 732. Charles Martel defeated the Moslems near Poitiers. 751. Pepin crowned King of the French.