プラノ・カルピニ
The traveller from Italy Giovanni da Pian del Carpine arrived in 1246 and later he wrote the book "Historia Mongolorum quos nos Tartaros appellamus". The faction of Zuchi-Tului houses won the Kuriltai of 1251 electing Mönghe, son of Tului, as Great Khan. Mönghe Khan sent his second younger brother Hulagu to conquer Iran. Hulagu completed the conquest of Iran in 1256 and conquered Baghdad, Caucasus and Syria in 1257–1259. Willem van Ruysbroeck of Flanders arrived in 1254 and later wrote his account "Itinerarium fratris Willielmi de Rubruquis de ordine fratrum Minorum, Galli, Anno gratia 1253 ad partes Orientales".