Battle of Milvian Bridge Part of the Civil wars of the Tetrarchy Battle at the Milvian Bridge, Audran after Le Brun Date 28 October 312 Location Ponte Milvio, Rome Result Decisive Constantinian victory Belligerents Constantinian forces Maxentian forces Commanders and leaders Constantine I Maxentius † Strength approximately 100,000 men[1] approximately 75,000–120,000 men[1] Casualties and losses Unknown Unknown