Upon coming to power Constantine unilaterally ended all persecution in his territories, even providing for restitution. Der spätantike Bilderschmuck des Konstantinsbogen .

His personal devotions, however, he offered first to Mars and then increasingly to Apollo, reverenced as Sol Invictus.

His victory at the Milvian Bridge counts among the most decisive moments in world history, while his legalization and support of Christianity and his foundation of a 'New Rome' at Byzantium rank among the most momentous decisions ever made by a European ruler.

The soldiers at once proclaimed him Augustus; 6 Constantine henceforth observed this day as his dies imperii. "The Celestial Sign on Constantine's Shields at the Battle of the Milvian Bridge." Journal of the Rocky Mountain Medieval and Renaissance Association 2 (1981) 15-28.

Having settled affairs in Britain swiftly, he returned to the Continent, where the city of Augusta Treverorum (Trier) served as his principal residence for the next six years.

Whatever vision Constantine may have experienced, he attributed his victory to the power of "the God of the Christians" and committed himself to the Christian faith from that day on, although his understanding of the Christian faith at this time was quite superficial.

It has often been supposed that Constantine's profession of Christianity was a matter of political expediency more than of religious conviction; upon closer examination this view cannot be sustained.

Several months later Licinius issued an edict which is commonly but erroneously known as the Edict of Milan. "Die Kämpfe um die Nachfolge nach dem Tode Constantins des Großen." Byzantinische Forschungen 6 (1979) 101-50. "Die Berufung des Constantius Chlorus und des Galerius zu Caesaren." Chiron 4 (1976) 567-76. Corpus Basilicarum Christianarum Romae: The Early Basilicas of Rome.

4 Upon the retirement of Diocletian and Maximian on 1 May 305 Constantius succeeded to the rank of Augustus.

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15 Unlike Constantine, Licinius did not commit himself personally to Christianity; even his commitment to toleration eventually gave way to renewed persecution.

The emperor Constantine has rightly been called the most important emperor of Late Antiquity.

His powerful personality laid the foundations of post-classical European civilization; his reign was eventful and highly dramatic.

On this occasion Constantine's half-sister Constantia was wed to Licinius.

Also on this occasion, the two emperors formulated a common religious policy.

4 Upon the retirement of Diocletian and Maximian on 1 May 305 Constantius succeeded to the rank of Augustus.

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15 Unlike Constantine, Licinius did not commit himself personally to Christianity; even his commitment to toleration eventually gave way to renewed persecution.

The emperor Constantine has rightly been called the most important emperor of Late Antiquity.

His powerful personality laid the foundations of post-classical European civilization; his reign was eventful and highly dramatic.

On this occasion Constantine's half-sister Constantia was wed to Licinius.

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