Philip the Arab in Wikipedia

Marcus Julius Philippus (c. 204–249), commonly known as Philip the Arab or Philippus I Arabs, was Roman Emperor from 244 to 249. He came from Syria, and rose to become a major figure in the empire. He achieved power after the death of Gordian III, quickly negotiating peace with the Persian empire. During his reign Rome celebrated its millennium. Among early Christian writers Philip had the reputation of being sympathetic to the Christian faith. It was even claimed that he converted to Christianity, becoming the first Christian emperor, but this is disputed. Philip was overthrown and killed following a rebellion led by his successor Decius...