By the time of Constantine’s death in 337 AD, the Roman Empire was unrecognizable from the one Severus had inherited. The Mediterranean world had shifted from a pagan, Rome-centered principate to a Christian, East-leaning autocracy. This "Late Antiquity" set the stage for the Byzantine Empire in the East and the eventual rise of medieval Europe in the West.
Recognizing that the empire’s wealth and threats were now in the East, he moved the capital to Byzantium, renaming it "New Rome" (Constantinople). Conclusion The Roman Empire from Severus to Constantine
The era began with , a tough general from North Africa who seized power after a bloody civil war. His philosophy was simple: "Enrich the soldiers, and scorn all others." By the time of Constantine’s death in 337