|a political proclamation that fully legalized Christianity (and all other religions) throughout the Roman Empire. This edict was issued by Constantine I in 313 AD, shortly after the end of the Diocletian persecutions against Christians. | |a political proclamation that fully legalized Christianity (and all other religions) throughout the Roman Empire. This edict was issued by Constantine I in 313 AD, shortly after the end of the Diocletian persecutions against Christians. |