Maxentius

Maxentius (Latin: Marcus Aurelius Valerius Maxentius Augustus; c. 278 – 28 October 312), born Flavius Honorius, was Roman Emperor from 306 to his death.

In 308, Maxentius began construction of a basilica. However, Maxentius was later defeated in 312 in the by his rival, Constantine I, who oversaw the building's completion and relished the satisfaction of completing Maxentius' project. In commemoration of his victory over Maxentius, Constantine also built an arch.

Reference

 * Assassin's Creed: Brotherhood