After his mission in Corduene, Ammianus left the headquarters at Amida in the retinue of Ursinicus, who was on a mission to make sure the bridges across the Euphrates were demolished. They were attacked by the Persian vanguard, who had made a night march in an attempt to catch the Romans at Amida unprepared. After a protracted cavalry battle, the Romans were scattered; Ursicinus evaded capture and fled to Melitene, while Ammianus made a difficult journey back to Amida with a wounded comrade.Ammianus, Res gestae, 18, 8, 4–7. The Persians besieged and eventually sacked Amida, and Ammianus barely escaped with his life.
After his mission in Corduene, Ammianus left the headquarters at Amida in the retinue of Ursinicus, who was on a mission to make sure the bridges across the Euphrates were demolished. They were attacked by the Persian vanguard, who had made a night march in an attempt to catch the Romans at Amida unprepared After a protracted caval.ry battle, the Romans were scattered; Ursicinus evaded capture and fled to Melitene, while Ammianus made a difficult journey back to Amida with a wounded comrade.Ammianus, Res gestae, 18, 8, 4–7. The Persians besieged and eventually sacked Amida, and Ammianus barely escaped with his life.