Example image of eyePlorer eyePlorer map for 'Late Antiquity': Classical antiquity Europe Mediterranean Sea Middle Ages Periodization Peter Brown (historian) 235 284 Crisis of the Third Century Heraclius Muslim conquests Roman Empire Diocletian Western Roman Empire Christianization Constantine I Constantinople 476 Decline of the Roman Empire Germanic monarchy Germanic peoples Migration period Western Europe Alois Riegl Byzantium Early Middle Ages Ostrogoths Visigoths Abrahamic religions Christianity Henri Pirenne Rabbinic Judaism Constantine I and Christianity Eusebius of Caesarea Licinius Christian monasticism Foolishness for Christ Stylites Chaldean Oracles Gnosticism Hermetica Neoplatonism Religion in ancient Rome Syncretism Exegesis Papyrology Papyrus Parchment Celibacy Laity