WORLD RELIGIONS

Detailed explanation-1: -In 380 CE, the emperor Theodosius issued the Edict of Thessalonica, which made Christianity, specifically Nicene Christianity, the official religion of the Roman Empire.

Detailed explanation-2: -Christianity became the official religion of the Roman Empire when Emperor Theodosius I issued the Edict of Thessalonica in 380, which recognized the catholic orthodoxy of Nicene Christians in the Great Church as the Roman Empire’s state religion.

Detailed explanation-3: -In 392, Theodosius become Emperor of also the western part of the Roman Empire, the last emperor to rule over both. In the same year he officially began to proscribe the practice of paganism. This was when he authorized the destruction of many temples throughout the empire.