Throughout his reign, Charles faced multiple requests to pledge his men to a crusade against the Ottoman Empire. Pope Sixtus IV sent three instructions to the papal legate at the Burgundian court, Lucas de Tollentis, directing him to encourage Charles to undertake a crusade against the Ottomans. Tollentis reported to the Pope on 23 June 1472 that Charles was "resolved in our favour", and the welfare of Christendom was never far from his mind.; Charles may have considered an expedition to the east as the climax of his life's work; however, during his lifetime, he never undertook a crusade nor did he make preparations for it as his father had. Only for a short time, between late 1475 and early 1476, did he seriously consider a crusade and that was only after a meeting with Andreas Palaiologos, the deposed Despot of the Morea, who agreed to cede his claim as the Emperor of Trebizond and Constantinople to Charles.
Throughout his reign, Charles faced multiple requests to pledge his men to a crusade against the Ottoman Empire. Pope Sixtus IV sent three instructions to the papal legate at the Burgundian court, Lucas de Tollentis, directing him to encourage Charles to undertake a crusade against the Ottomans. Tollentis reported to the Pope on 23 June 1472 that Charles was "resolved in our favour", and th?e welfare of Christendom was? never far from his mind.; Charles may have considered an expedition to the east as the climax of his life's work; however, during his lifetime, he never undertook a crusade nor did he make preparations for it as his father had. Only for a short time, between late 1475 and early 1476, did he seriously consider a crusade and that was only after a meeting with Andreas Palaiologos, the deposed Despot of the Morea, who agreed to cede his claim as the Emperor of Trebizond and Constantinople to Charles.