The two armies met near Rome. Maxentius was defeated, and Constantine entered the city in triumph. In memory of his victory a fine arch was built, which is standing still, and is always called the Arch of Constantine.
The First Christian Emperor
The vow which Constantine had made was duly kept, to the great satisfaction of his mother Helena, who was a very devout Christian. Constantine ordered that the Christians should have full liberty to worship as they pleased; and after a time he himself was baptized. He also forbade that criminals should be put to death on a cross, as it had been sanctified by Christ; and he put an end to all gladiatorial shows.
Constantine at first shared the power with Licinius, but he and his colleague quarreled on matters of religion. They soon came to arms, and we are told that when they stood opposed to each other they loudly called upon their gods.
As Constantine won the victory, he declared that his God was the most worthy of honor; and he established the Christian Church so securely that nothing has ever been able to overthrow it since then. By his order, all the learned Christians came together at Nicæa to talk about their religion, and to find out exactly what people should believe and teach. Here they said that Arius, a religious teacher, had been preaching heresy; and they banished him and his followers to a remote part of the empire.
Constantine soon changed the seat of the government to Byzantium, which was rebuilt by his order, and received the name of Constantinople, or city of Constantine. Because he accomplished so much during his reign, this emperor has been surnamed the Great, although he was not a very good man.
During the latter part of his reign, there were sundry invasions of the barbarians; and Constantine, who was a brave warrior, is said to have driven them back and treated them with much cruelty. He died of ague at Nicomedia, leaving his empire to his three sons; and his remains were carried to Constantinople, so that he might rest in the city which bore his name.
Soon after the death of Constantine, who is known in Roman history as the first Christian emperor, his three sons began to quarrel among themselves. The result was a long series of civil wars, in which two of the brothers were killed, leaving the whole empire to the third—Constantius II.
The new emperor, needing help, gave his cousin Julian the title of Cæsar, and placed him in charge of Gaul. As Julian belonged to the family of Constantine, he was of course a Christian. He was a very clever youth, and had been sent to Athens to study philosophy.
While there, he learned to admire the Greek philosophers so much that he gave up Christianity, and became a pagan. On account of this change in religion, he is generally known by the surname of the Apostate. We are told, also, that he spent much time in studying magic and alchemy, a science which was supposed to teach people how to change all metals into gold.
Julian the Apostate gave up his studies with regret, to share the cares of government. While in Gaul, he learned to be an excellent general, and drove back the barbarians several times. He lived for a while in Lutetia, the present city of Paris, and here he built Roman baths whose ruins can still be seen.
The Roman Empire Divided
Julian became emperor when Constantius II. died. As soon as the authority was entirely in his own hands, he ordered that the Christian churches and schools should all be closed, and encouraged the people to worship the old pagan gods.
All the soldiers in his army were forced to give up Christianity, under penalty of being dismissed; and he made an attempt to rebuild the temple at Jerusalem so as to prove to the Christians that the prophecy of Christ was not to be believed. But an earthquake frightened his builders away from the work, and a war against the Persians prevented its ever being renewed.
During this campaign, Julian was mortally wounded, and he is said to have died exclaiming: "Thou hast conquered, Galilean!" The emperor's body was carried to Tarsus, and buried there; and, as Julian had appointed no successor, the army at once gave the empire to one of his officers, named Jovian.
A good man and a fervent Christian, Jovian quickly reestablished the Christian religion. His reign, however, was very brief, and he was succeeded by two brothers, Valentinian and Valens, who again divided the Roman world into two parts, intending to make a final separation between the empires of the East and the West (A.D. 364).
Valentinian kept back the northern barbarians as long as he lived, but after his death Valens was forced to allow the Goths to settle in Thrace. Here they found some of their brothers who had been converted to Christianity by the efforts of Ulfilas, a learned man, who wrote a translation of the Bible for them in their own Gothic language.