Constantine I defeats Maxentius, becoming the sole Roman emperor in the West.

Battle of the Milvian Bridge

312 AD battle in the Civil Wars of the Tetrarchy

The Battle of the Milvian Bridge took place between the Roman Emperors Constantine I and Maxentius on 28 October AD 312. It takes its name from the Milvian Bridge, an important route over the Tiber. Constantine won the battle and started on the path that led him to end the…