There, too, in 307, he married Maximian's daughter Fausta, 7 putting away his mistress Minervina, who had borne him his first son, Crispus. Le développement urbain de Constantinople (IV e-VII esiècles). He was the founder of Constantinople (present-day Istanbul), which remained the capital of the Eastern Roman (Byzantine) Empire until 1453.
8 Trier's "Kaiserthermen" (Imperial Baths) and Basilica (the aula palatina ) give evidence to this day of Constantine's residence in the city. Constantine the Great Constantine the Great was the first emperor of Rome to convert to Christianity.
Having previously attained the rank of tribune, provincial governor, and probably praetorian prefect, Constantius was raised, on 1 March 293, to the rank of Caesar in the First Tetrarchy organized by Diocletian .3 On this occasion he was required to put aside Helena and to marry Theodora , the daughter of Maximian .4 Upon the retirement of Diocletian and Maximian on 1 May 305 Constantius succeeded to the rank of Augustus. "The Date of the Bellum Cibalense: A Re-examination." Ancient World 26 (1995) 89-101. 272 – 22 May 337), commonly known in English as Constantine I, Constantine the Great, or (among Eastern Orthodox, Oriental Orthodox and Byzantine Catholic Christians) Saint Constantine (/'kɒnstɛntaɪn/), was Roman Emperor from 306, and the undisputed holder of that office from 324 until his death in 337.
Also on this occasion, the two emperors formulated a common religious policy. III SOLE RULER A struggle for power soon began between Licinius and Constantine, from which Constantine emerged in 324 as a victorious Christian champion.
At the same time the Senate and the Praetorian Guard in Rome had allied themselves with Maxentius , the son of Maximian . During his reign, Christians, previously persecuted, gained freedom of worship.
On 28 October 306 they proclaimed him emperor, 9 in the lower rank of princeps initially, although he later claimed the rank of Augustus. He gave huge estates and other gifts to the Christian church.
It would be a mistake to interpret this as a lack of sincerity or commitment; in the fourth and fifth centuries Christians often delayed their baptisms until late in life. Thus, Constantine, who had been a pagan solar worshiper, now looked upon the Christian deity as a bringer of victory.
14 In February 313, probably, Constantine and Licinius met at Milan. Persecution of the Christians was ended, and Constantine's co-emperor, Licinius, joined him in issuing the Edict of Milan (313), which mandated toleration of Christians in the Roman Empire.
"Imperator", "caesar", "flauius", "Valerius", "Aurelius", "constantinus Pius Felix Inuictus Augustus", "Germanicus Maximus", "Sarmaticus Maximus", "Gothicus Maximus", "Medicus Maximus", "Britannicus Maximus", "Arabicus Maximus", "Adiabenicus Maximus", "Persicus Maximus", "Armeniacus Ma..." Son of Constantinus Chlorus, Emperor of Rome Husband of Minervina; Flavia Maxima Fausta and Fictitious Mistress of Constantine the Great Father of Flavius Julius Crispus Caesar; Constans I, Roman Emperor; Constantius II, Roman Emperor; Flavia Constantia Augusta; Flavia Helena Konstantin I (født 27. mai 337), også kjent som Konstantin den store, var romersk keiser fra 25. Han er mest kjent som den første kristne keiseren i Romerriket, og som grunnlegger av byen Konstantinopel. His powerful personality laid the foundations of post-classical European civilization; his reign was eventful and highly dramatic. (See also Byzantine Empire; Istanbul.) Constantine ruled as a despot, surrounded by Oriental pomp.