Theodosius Declares Christianity the State Religion

380 CE · Konstantinopolis · religious

With the Edict of Thessalonica (380), Theodosius I made Nicene Christianity the state religion of Rome, and all other systems of belief were banned.

Pagan temples were closed. | The founding decision of Christian Europe; the legal ground for the union of religion and state.

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Frequently asked questions

What was Theodosius Declares Christianity the State Religion?
With the Edict of Thessalonica (380), Theodosius I made Nicene Christianity the state religion of Rome, and all other systems of belief were banned.
When did Theodosius Declares Christianity the State Religion happen?
380 CE
Where did Theodosius Declares Christianity the State Religion take place?
Konstantinopolis