In AD 250, Roman Emperor Decius mandated every inhabitant of his empire to publicly sacrifice to the Roman gods in order to prove their loyalty to the empire. Refusal to sacrifice was punishable by death. Many Christians died under Decius, like the Roman Bishop Fabian, but many others chose sacrifice over martyrdom. To further his damage, Decius prevented the appointment of a successor to Fabian in Rome. When Decius departed Rome for war in the