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There was no such thing as a United Roman Empire, no such title ever occurred. There was always just one title: Roman Empire. This empire was never divided. There had been alternations of periods of co-emperorship and periods with a sole emperor. In the early days of co-emperorship, this involved an emperor in charge of the east or west and his son in charge of the other part as a co-emperor. Later there were times when the co-emperors were brothers. Not long before Constantine's bid for power, the emperor Diocletian created the tetrarchy (rule by four) where the empire was ruled by two senior emperors (Augusti, plural, Augustus, singular) and two junior emperors (Caesar(s)). Each of these men was in charge of one the four administrative units of the empire which Diocletian had created: the praetorian prefectures. These were subunits of a sole empire.

Constantine was the sole emperor of the Roman Empire for thirteen years, from 324 to his death in 337.

In 306 Constantine became the Caesar of the praetorian prefecture of Galliae (Britain, Gaul and Hispania). In 309 he declared himself Augustus of the west, but was not actually in charge of the whole of the west because Maxentius, a usurper, was in charge of the praetorian prefecture of Italia et Africa. In 312 Constantine defeated Maxentius in a civil war and became effectively the Augustus of the west until 324. In 324 he won a civil war against his co-emperor, Licinius, the Augustus of the east, and become sole emperor.

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He supported Christianity. they ruled for over 300 years He united the western and eastern regions

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16y ago
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from 306 to 312 AD

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15y ago
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Q: How long did Constantine rule Rome?
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Where is the arch of Constantine located?

The arch of Constantine is in the city of Rome, next to the Colosseum.


Who was a rich and powerful council of Roman who helped run the city?

The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.The council that helped rule Rome was the senate.


What did the emperor Constantine do to the capital of Rome?

Constantine the Great did not do anything to the capital of Rome. He create a new capital for the Roman Empire. He designated Byzantium as his imperial capital, redeveloped, renamed it after himself (Constantinople, which means City of Constantine) and inaugurated it in 300.


What year did Constantine overcome Maxentius and become sole emperor?

October 28, 312 Constantine marches on Rome and meets Maxentius at the Battle of Milvian Bridge. Maxentius is slain, and Constantine emerges as the sole ruler in the West. Constantine erects a triumphal arch in Rome, crediting the “inspiration of the Divinity” for his victory.


Did Constantine defeat Diocletian to become Emperor of Rome?

No. Constantine defeated a rival general named Severus to become Emperor of Rome. In fact, Diocletian was the first emperor to abdicate, and he lived out the rest of his life quietly.