337 ⟶ Constantine's Deathbed Baptism
Constantine the Great is baptized a Christian on his death b...Year
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🚢 Paul of Tarsus Shipwrecked on Malta and Converts Publius
🕊️ Paul of Tarsus Released from Roman Imprisonment
Paul of Tarsus is released from imprisonment in Rome (approximate date).⟶

ChristianityApostle PaulRoman EmpireReligious ViolenceChristian MissionsReligious Expansion


✝️ Marcion Rejects Roman Church, Founds Marcionism
Marcion, rejected by Church of Rome, founds Marcionism.⟶

ChristianityHeresyReligious SchismTheologyReligious MovementsChurch History


✝️ Constantine Legalizes Christianity and Establishes Constantinople
337: Constantine the Great, ends persecution of Christians in the Roman Empire (see also Constantinian shift) and Constantinople becomes new seat of government (New Rome).⟶

Roman EmpireChristianityConstantine the GreatReligious ToleranceByzantine EmpirePolitical Transformation





⛪ First Council of Nicaea Convened by Constantine
Constantine the Great calls the First Council of Nicaea to pacify Christianity in the grip of the Arian controversy.⟶

ChristianityConstantine the GreatTheologyChurch HistoryRoman EmpireEcumenical CouncilReligious Doctrine

✝️ Constantine's Deathbed Baptism
Constantine the Great is baptized a Christian on his death bed.⟶

ChristianityRoman EmpireConstantine the GreatEarly ChurchReligious ConversionImperialismDeathBaptism

