chagan's

Updated: May 16, 2025

On a sudden the hippodrome was encompassed by the Scythian cavalry, who had pressed their secret and nocturnal march: the tremendous sound of the chagan's whip gave the signal of the assault, and Heraclius, wrapping his diadem round his arm, was saved with extreme hazard, by the fleetness of his horse.

Edward Gibbon - History of the Decline and Fall of the Roman Empire — Volume 4