Hospitaller Piety and Crusader Propaganda

Guillaume Caoursin, the Vice-chancellor of the Order of the Hospital, wrote the Obsidionis Rhodiae urbis descriptio (Description of the Siege of Rhodes) as the official record of the Ottoman siege of the Knights in Rhodes in 1480. The Descriptio was the first authorized account of the Order’s activities to appear in printed form, and it became one of the best sellers of the 15th century. The publication of the Descriptio not only fed Western Europe’s hunger for news about an important Christian