The Arch of Constantine is a tr uumphal arch, erected c. 315 C E to commemorate the triumph of Constantine I after his victory over Maxentius in the battle at the Milvian Bridge in 312 CE.

• 君士坦丁凯旋门大约建造于西元315年，是君士坦丁一世为了纪念他在西元312年和马克森提于密尔维桥交战的胜利而建。