Milvian Bridge or Mulvian Bridge, Latin Pons Milvius or Pons Mulvius. It was built by Marcus Aemilius Scaurus in 109 B.C. over the Tiber near Rome as part of the Flaminian Way. By defeating Maxentius here in A.D. 312, Constantine I became the unchallenged ruler of the West. It was here that Constantine saw the cross in the sky.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.