2-668-163 - © CM Dixon/Heritage Images

Arch of constantine Horizontal Band showing Battle of Milvian Bridge, 312-315. The Arch of Constantine was constructed 313-315 alhough dedicated to Constantine, much of the decorative work incorporated is earlier work from the time of the emperors Trajan (98-117), Hadrian (117-138) and Marcus Aurelius (161-180). The Battle of Milvian Bridge was won by Constantine, Maxentius lost, and was dropped in the Tiber.