Justification of Leo IIIby Raphael (Raffaello Sanzio) (1483-1520)Raphael's Rooms - Room of the Fire in the BorgoThe Oath of Leo III illustrates an episode that took place the day before the crowning of Charlemagne; when the Pope responded to the calumnies of the nephews of his predecessor Hadrian I by reaffirming the principle that the vicar of Christ is responsible to God alone for his actions.Vatican Museums (Raphael's Rooms - Room of the Fire in the Borgo; Stanza dell'incendio di Borgo)