<p>The period AD 300-600 saw huge changes. The Graeco-Roman city-state was first transformed then eclipsed. Much of the Roman Empire broke up and was reconfigured. New barbarian kingdoms emerged in the Roman West. Above all, religious culture moved from polytheistic to monotheistic. Here, twenty papers by international scholars explore how group identities were established against this shifting background. Separate sections treat the Latin-speaki...