"Battle of Callinicum"@en . "Battle of Callinicum"@en . "Map of the Byzantine-Persian frontier"@en . . . . . . . "20000"^^ . . . "the Iberian War"@en . . "~20,000"@en . "0531-04-19"^^ . . . . "Ar-Raqqah, northern Syria"@en . . . . "Pyrrhic Persian victory"@en . . . . . . . . . . "Heavy"@en .