Question

when did emperor theodosius made christianity the official religion

Answer 1

Answer:

380 CE

In 380 CE, the emperor Theodosius issued the Edict of Thessalonica, which made Christianity, specifically Nicene Christianity, the official religion of the Roman Empire. Most other Christian sects were deemed heretical, lost their legal status, and had their properties confiscated by the Roman state.

Answer 2

$\huge\underline{\bf \orange{AnSweR :}}$

On February 27, 380, in Thessaloniki, the Eastern Roman Emperor Theodosius I (347 - 395) signed a decree in the presence of the Western Roman Emperor Valentinian II (371 - 392) that made Christianity the religion of the state and punished the practice of pagan rituals.