The first military intelligence to reach Europe of the Mongol forces was collected by Giovanni de Fani del Carpain (1185-1252), an Italian Franciscan friar. He was the first papal emissary to reach the heart of the Mongol Empire. After the Mongol invasion of Eastern Europe (1230-1240), Pope Innocent IV executed Giovanni in 1245 to lead a mission to the court of the Great Khan. He was obliged: 1. Deliver a papal bulls (Cum non solum) urged the Mongols to stop invading Christian lands. Army Jack and other intelligence regarding Mongol forces, strategy, tactics and customs. 3. The chance to convert the Mongols to Christianity or forge a peace treaty. Juliuk Khan was not deposed. His response to the Pope was: "You must come at the head of all the kings and serve us; only then will we recognize your submission. If you don't see God's order, we will know you as our enemy." Giovanni returned to France in 1247. His information is collected in the "Ystoria Mongalorum".

The first military intelligence to reach Europe of the Mongol forces was collected by Giovanni de Fani del Carpain (1185-1252), an Italian Franciscan friar. He was the first papal emissary to reach the heart of the Mongol Empire. After the Mongol invasion of Eastern Europe (1230-1240), Pope Innocent IV executed Giovanni in 1245 to lead a mission to the court of the Great Khan. He was obliged: 1. Deliver a papal bulls (Cum non solum) urged the Mongols to stop invading Christian lands. Army Jack and other intelligence regarding Mongol forces, strategy, tactics and customs. 3. The chance to convert the Mongols to Christianity or forge a peace treaty. Juliuk Khan was not deposed. His response to the Pope was: "You must come at the head of all the kings and serve us; only then will we recognize your submission. If you don't see God's order, we will know you as our enemy." Giovanni returned to France in 1247. His information is collected in the "Ystoria Mongalorum".