The Edict of Thessalonica (Greek: Διάταγμα της Θεσσαλονίκης), issued on 27 February AD 380 by Theodosius I, made Nicene Christianity the state church of the Roman Empire. It condemned other Christian creeds such as Arianism as heresies of "foolish madmen", and authorized their punishment.
The Edict of Thessalonica (Greek: Διάταγμα της Θεσσαλονίκης), issued on 27 February AD 380 by Theodosius I, made Nicene Christianity the state church of the Roman Empire. It condemned other Christian creeds such as Arianism as heresies of "foolish madmen", and authorized their punishment.
Source: Wikipedia "Edict of Thessalonica" · CC BY-SA 4.0
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