Byzantine Empire under the Constantinian and Valentinianic dynasties

Byzantium under the Constantinian and Valentinianic dynasties was the earliest period of the Byzantine history that saw a shift in government from Rome in the west to Constantinople in the East within the Roman Empire under emperor Constantine the Great and his successors. Constantinople, formally named Nova Roma, was founded in the city of Byzantium (Ancient Greek: Βυζάντιον, romanized: Byzántion), which is the origin of the historiographical name for the Eastern Empire, which self-identified simply as the "Roman Empire".

Byzantine Empire under the Constantinian and Valentinianic dynasties

Byzantium under the Constantinian and Valentinianic dynasties was the earliest period of the Byzantine history that saw a shift in government from Rome in the west to Constantinople in the East within the Roman Empire under emperor Constantine the Great and his successors. Constantinople, formally named Nova Roma, was founded in the city of Byzantium (Ancient Greek: Βυζάντιον, romanized: Byzántion), which is the origin of the historiographical name for the Eastern Empire, which self-identified simply as the "Roman Empire".