This persecution continued up through the fourth century, when Constantine's [[Edict of Milan]] in 317 A.D. promulgated a doctrine of religious tolerance. In 393 A.D., Christianity became the state religion of Rome, gaining strength after Constantine's conquest of Rome from his fellow ''caesars'' of the time.<ref>"... in 391 AD, Christianity became the official, and only, state religion of the empire." [http://www.hyw.com/Books/History/Rome__Le.htm The Legacy of Rome] </ref> | This persecution continued up through the fourth century, when Constantine's [[Edict of Milan]] in 317 A.D. promulgated a doctrine of religious tolerance. In 393 A.D., Christianity became the state religion of Rome, gaining strength after Constantine's conquest of Rome from his fellow ''caesars'' of the time.<ref>"... in 391 AD, Christianity became the official, and only, state religion of the empire." [http://www.hyw.com/Books/History/Rome__Le.htm The Legacy of Rome] </ref> |