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).
This Constantine, then, born of Helena, a mother of very common origin, and brought up in the town of Naissus,[*](In Moesia, on the river Margus; cf. xxi. 10, 5; modern Nis, in Yugoslavia.) which he afterwards splendidly adorned, had but slight training in letters.[*](minus = minus iusto, Tillemont iv, p. 132 (Wagner).) He was
For when Constantine, then a young man, was serving in the cavalry against the Sarmatians, he seized by the hair and carried off a fierce savage, and threw him at the feet of the emperor Galerius. Then sent by Galerius through a swamp, he entered it on his horse and made a way for the rest to the Sarmatians, of whom he slew many and won the victory for Galerius.
Then at last Galerius sent him back to his father. But in order to avoid meeting Severus[*](He had been appointed Caesar by Galerius; see 3, 5, below.) as he passed through Italy, Constantine crossed the Alps with the greatest haste, ordering the post-horses to be killed[*](At each station, so that his pursuers could not use them; cf. Zos. ii. 8; Ps.-Aur. Vict., Caesares, 40, 2, cum ad frustrandos insequentes publica iumenta quaqua iter egerat interficeret; and for another meaning, Amm. xv. 1, 2.) as he went on; and he came up with his father Constantius at Bononia,[*](Boulogne, cf. Amm. xx. 1, 3.) which the Gauls formerly called Gesoriacum. But his father Constantius, after winning a victory over the Picts, died at York, and Constantine was unanimously hailed as Caesar by all the troops.