Roman Army Units in the Eastern Provinces (1)Between the reigns of Augustus and Septimius Severus, the Eastern provinces of the Roman Empire frequently experienced brutal fighting. This was most notably during the conquest of Dacia by Trajan, the suppression of the Great Revolt in Judea, and intermittent clashes with Rome's great rival, Parthia. In these wars, Roman soldiers had to fight in a range of different climates and terrains, from the deserts of the Middle East to the islands of the