ଅର୍ଥ : Emperor of Rome who stopped the persecution of Christians and in 324 made Christianity the official religion of the Roman Empire. In 330 he moved his capital from Rome to Byzantium and renamed it Constantinople (280-337).

ଅର୍ଥ : A walled city in northeastern Algeria to the east of Algiers. Was destroyed in warfare in the 4th century and rebuilt by Constantine I.