The Battle of Cibalae was fought in 316 between the two Roman emperors Constantine I (r. 306–337) and Licinius (r. 308–324). The site of the battle, near the town of Cibalae (now Vinkovci, Croatia) in the Roman province of Pannonia Secunda, was approximately 350 kilometers within the territory of Licinius. Constantine won a resounding victory, despite being outnumbered.
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