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Horizon Insight News

Which emperor made Christianity the official religion of the Roman Empire?

Author

Matthew Harrington

Updated on February 27, 2026

Emperor Theodosius I Click to see full answer. In this manner, which emperor made Christianity the official religion of the Roman Empire quizlet? Emperor Theodosius Furthermore, who declared Christianity as legal religion? Constantine stood out because he became a Christian and unabashedly made Jesus the patron of his army. By 313, just two contenders remained, Constantine and Licinius. The two jointly issued the Edict of Milan, which made Christianity a legal religion and officially ended the persecution. Likewise, people ask, why was Christianity made the official religion of the Roman Empire? Christianity spread through the Roman Empire and eventually it received legal status in 313 CE. This was an important development because it meant that Christians could openly practice their religion. In 380 CE, Christianity gained even more influence when it became the official religion of the Roman Empire.How did Christianity spread in the Roman Empire?Christianity was spread through the Roman Empire by the early followers of Jesus. Although saints Peter and Paul are said to have established the church in Rome, most of the early Christian communities were in the east: Alexandria in Egypt, as well as Antioch and Jerusalem.