Emperor Heraclius Slays the King of Persia

About this artwork

This panel was probably part of an altarpiece dedicated to the Holy Cross, a relic that was much venerated in the Middle Ages. Through repeated retelling, its story took on some of the qualities of a chivalric romance. That story included the adventures of the Byzantine emperor Heraclius, who rescued the True Cross and returned it to Jerusalem after its capture by Chosroës, king of Persia. Here Heraclius defeats a king who is probably meant to be the son of Chosroës. The emperor can be identifi...

Art Historical Context

This dynamic panel painting captures a legendary clash from the seventh century, when Byzantine Emperor Heraclius defeated the Sasanian ruler Khosrow II. Created around 1470 by an unknown Netherlandish artist the work transforms ancient history into a vivid moral drama for fifteenth-century viewers. The compact scale—roughly the size of a large book—suggests it may have been intended for private devotion or as part of a larger altarpiece cycle recounting Heraclius’s victories and the recovery of the True Cross. Executed in tempera and oil on panel, the painting reflects the technical innovations of Northern Renaissance art. The mixed medium allowed the artist to achieve both the crisp detail typical of tempera and the rich, luminous glazes made possible by oil, resulting in gleaming armor, expressive faces, and a convincing sense of depth within the modest format. Such works often emphasized chivalric virtue and Christian triumph, resonating with contemporary European audiences during a period of political and religious tension. Now housed in the Art Institute of Chicago’s collection of European painting and sculpture, the panel offers modern visitors a window into how late-medieval artists reimagined distant events to convey timeless themes of courage and faith.