 as a synonym of the older title "stratēgos".Thus in the 4th century, the bishop and historian Eusebius ("Church History", IX.5.2) writes of the ""stratopedarchēs", whom the Romans call "dux"".Similarly, in the early 5th century, Ardabur was called ""stratopedarchēs" of both forces" by Olympiodorus of Thebes, while the acts of the Council of Chalcedon (451) refer to Zeno, ""patrikios" and "stratopedarchēs" of both forces of the East".