Irenaeus of Sirmium was martyred in AD 304 in Sirmium. His vita reads as an official report. In AD 294, Sirmium was proclaimed one of the four capitals of the Roman Empire and allotted to the emperor Galerius. Sirmium boasted an imperial palace, a horse-racing arena or hippodrome, a sporting arena, and a theatre. Two bridges … Continue reading The Passion of Blessed Bishop, Irenaeus of Sirmium