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272
Constantine was born
Constantine is born Flavius Valerius Constantinus in the city of Naissus in Moesia -
293
Constantius (Constantine's Dad) is made Caesar under Emperor Diocletian
The empire is ruled by two co-emperors, called Augustus, and each has two junior rulers under them, called Caesar. -
303
Constantine witnesses the "Great Persecution."
Constantine returns from a war to witness Diocletian carrying out the "Great Persecution." Diocletian persecutes all Christians -
305
Diocletian and Galerius (Other Augustus) quit
Galerius is named Augustus in the east, and Constantine's father, Constantius, is named Augustus in the west. Constantine is forced to flee to his father's protection to avoid Galerius's attempts to kill him -
306
Constantius dies
He names Constantine his heir as Augustus. -
306
Maxentius rebels against Constantine
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312
Constantine takes the sign of the Christian cross in battle (on sheilds)
Constantine had a dream: if he went to war against Maxentius under the Christian Cross he would win.... And he did! -
313
Constantine and Licinius agree to the Edict of Milan
Both men agree to the Edict of Milan, which stops the prosecution of Christianity and all other religions in the Empire. -
324
Constantine wins the Battle against Lucinius
Peace is short-lived as Licinius starts procecting Christians again, and it dissolves into war. Constantine defeats Licinius in the Civil War and this makes him the sole emperor of Rome. -
330
Constantine renames Byzantium, Constantinople
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337
Constantine dies(May 22, 337).
Constantine is finally baptized as a Christian shortly before dying.