Decius and Valerian. Third century persecution and failure. Cyprian of Carthage. Certificates of loyalty to Rome. Blame it on the Christians. Economic collapse of third century. Debasement of Roman coinage. Philip the Arab. Decius. Valerian. Valerian humiliated by Shapur. What Trump should learn from studying Christian history. Why did Decius proscribe Christianity? Who was Valerian?
