Roman Empire - Gallienus fast respond

Time: 250s

Place: Pannonia

Details: In any case, Gallienus reacted with great speed. He left his son Saloninus as caesar at Cologne, under the supervision of Albanus (or Silvanus) and the military leadership of Postumus. He then hastily crossed the Balkans, taking with him the new cavalry corps (comitatus) under the command of Aureolus and defeated Ingenuus at Mursa or Sirmium. Ingenuus was killed by his own guards or committed suicide by drowning himself after the fall of his capital, Sirmium.

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