Rome Sights

Arco di Costantino (Arch of Constantine)

  • Archaeological Site/Ruins

Published 10/27/2015

Fodor's Review

This majestic arch was erected in AD 315 to commemorate Constantine's victory over Maxentius at the Milvian Bridge. It was just before this battle, in AD 312, that Constantine—the emperor who converted Rome to Christianity—had a vision of a cross in the heavens and heard the words "In this sign thou shalt conquer." Many of the rich marble decorations for the arch were scavenged from earlier monuments, both saving money and allying Constantine with the greatest emperors of the past. It is easy to picture ranks of Roman legionnaires marching under the great barrel vault.

Sight Information


Piazza del Colosseo, Rome, Latium, 00184, Italy

Published 10/27/2015


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