WORLD RELIGIONS

Detailed explanation-1: -Theodosius I, who succeeded Valens in the East, refused the pontifex maximus title-accompanied in this by Gratian, the Western Emperor-and effectively proclaimed the Catholic Faith (as defined in the Nicene creeds) as the official religion of the Empire.

Detailed explanation-2: -The Roman Empire circa 395 A.D. Early in his reign, Theodosius contracted an illness that almost carried him off. He subsequently underwent Christian baptism and declared himself a Christian of the Nicene Creed.

Detailed explanation-3: -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.