Arch of Constantine, Rome, Italy. The Arch of Constantine is a triumphal arch in Rome, situated between the Colosseum and the Palatine Hill. It was erected to commemorate Constantine I's victory over Maxentius at the Battle of Milvian Bridge on October
The Arch of Constantine, located right next to the Colosseum, is the largest of the remaining Roman triumphal arches. It was built in 315 AD after Constantine's surprising victory over Maxentius at the Battle of the Milvian Bridge.