Assertion: valerian | /r/CapableOf | send a contingent of troops
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Source sentences:
text: As he marched into Asia Minor, Valerian sent a contingent of troops to Byzantium to drive back the Burgundians and Goths who had attacked Thrace and Thessalonica and pushed further south across the Hellespont into Chalcedon and Bithynia, burning Nicomedia and Nicaea.