Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
Meanwhile Constantine, after defeating the tyrant’s[*](Maxentius, called tyrant because his sovereignty was not officially recognised.) generals at Verona, went on to Rome. When he had reached the city, Maxentius came out and chose a plain[*](Saxa Rubra, near the Mulvian Bridge.) above the Tiber as the place to do battle. There the usurper was defeated, and when
Now Licinius was a native of New Dacia, and was of somewhat common origin. He was made emperor[*](I.e., Augustus; see Introd. to Vol. I, p. xxv. He seems never to have been a Caesar.) by Galerius, in order that he might take the field against Maxentius. But when Maxentius was overthrown and Constantine had recovered Italy, he made Licinius his colleague on condition that he should marry Constantine’s sister Constantia at Mediolanum. After the celebration of the wedding Constantine went to Gaul, and Licinius returned to Illyricum.