[German Version]

(270/288, Naissus [Niš] – 337, Constantinople). His father was Emperor Constantius Chlorus, his mother the emperor's concubine Helena). After his father's death in 306 Constantine had himself proclaimed emperor. This usurpation was followed by others and Constantine emerged as victor from the ensuing battles for control. Important events were the victory over Maxentius in 312 at the Milvian Bridge and over Licinius in 324 near ¶ Byzantium. Constantine began to stabilize the dynasty after he became sole ruler. He suffered setbacks when he had fir…