The Decian persecution of Christians occurred in 250 AD under the Roman Emperor Decius. He had issued an edict ordering everyone in the Empire to perform a sacrifice to the Roman gods and the well-being of the emperor. The sacrifices had to be performed in the presence of a Roman magistrate, and be confirmed by a signed and witnessed certificate from the magistrate. Although the text of the edict has been lost, many examples of the certificates have survived.
A Byzantine fresco of Saint Mercurius (a Christian victim of the Decian persecution), dated 1295, from Ohrid, North Macedonia
Gaius Messius Quintus Trajanus Decius, known as Trajan Decius or simply Decius, was Roman emperor from 249 to 251.
Decius
Antoninianus of Trajan Decius. Inscription: IMP. C. M. Q. TRAIANVS DECIVS AVG.
A marble statue of Emperor Decius dressed as Hercules discovered on the 25 January, 2023 during sewer repair works in Rome.
Bronze head of Decius from the former Colonia Ulpia Traiana Sarmizegetusa. National Museum of Romanian History, Bucharest.