Mongol Empire What is referred to in English as the Mongol Empire was called the "Ikh Mongol Uls" ("ikh": "great", "uls": "state"; Great Mongolian State). In the 1240s, one of Genghis's descendants, Güyük Khan, wrote a letter to Pope Innocent IV which used the preamble "Dalai (great/oceanic) Khagan of the great Mongolian state (ulus)". After the succession war between Kublai Khan and his brother Ariq Böke, Ariq limited Kublai's power to the eastern part of the empire. Kublai officially issued an imperial edict on 18 December 1271 to name the country Great Yuan ("Dai Yuan", or "Dai Ön Ulus") to establish the
Kublai Khan Then he married Chabi of the Khongirad, who was his most beloved empress. After Chabi's death in 1281, Kublai married Chabi's young cousin, Nambui, presumably in accordance with Chabi's wish. Kublai and his wives' children included: Kublai's seizure of power in 1260 pushed the Mongol Empire into a new direction. Despite his controversial election, which accelerated the disunity of the Mongols, Kublai's willingness to formalize the Mongol realm's symbiotic relation with China brought the Mongol Empire to international attention. Kublai and his predecessors' conquests were largely responsible for re-creating a unified, militarily powerful China. The Mongol rule of Tibet, Manchuria,