for the conversion of the Muslims and the reunion of the schismatic churches in the East. He raised only one man to be cardinal, his cousin Giovanni Boccamazza, archbishop of Monreale, on 22 December 1285. The tomb of Pope Honorius IV is in the church of Santa Maria in Aracoeli in Rome. Contacts with the Mongols The Mongol ruler Arghun sent an embassy and a letter to Pope Honorius IV in 1285, a Latin translation of which is preserved in the Vatican. It mentions the links to Christianity of Arghun's family, and proposes a combined military conquest of Muslim lands: Honorius IV was hardly capable of acting on this invasion and could not muster the military support necessary to achieve this plan. See also Cardinals created by Honorius IV References Bibliography F. Gregorovius, History of Rome in the Middle Ages, Volume V.2 second edition, revised (London: George Bell, 1906) 491–515. Venditelli, Marco, "Onorio IV," Enciclopedia dei papi (Roma 2000) I, pp. 449–455. External links The cardinals of the Holy Roman Church (Salvador Miranda) 1210 births 1287 deaths Popes Italian popes Cardinals created by Pope Urban IV 13th-century Italian Roman Catholic bishops Savelli family 13th-century popes Clergy from Rome