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Christian persecution begins under Emperor Nero.
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Constantine becomes Emperor of Rome.
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Emperor Constantine issues Edict of Milan.
Christianity becomes official religion of the the Roman Empire. -
Constantine leaves Rome, moves East.
City renamed Constantinople.
Now two Emperors: Constantine in East and Pope in West. -
Tensions continue to grow between East and West.
Pope changes Creed. -
The Great Schism (spilt) occurs.
Pope and Patriarch of Constantinople excommunicate each other from the Church. -
Western armies attack Constantinople and destroy it.
Division (spilt) become official.
Catholics in West. Orthodox in East.