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
Political divisions and vassals of the Mongol Empire Asia, parts of Burma, Romania and Pakistan. In the mean time, many countries became vassals or tributary states of the Mongol Empire. Political divisions and vassals of the Mongol Empire This article discusses the political divisions and vassals of the Mongol Empire. Through invasions and conquests the Mongols established a vast empire that included many political divisions, vassals and tributary states. It was the largest contiguous land empire in history. However, after the death of Möngke Khan, the Toluid Civil War and subsequent wars had led to the fragmentation of the Mongol Empire. By 1294, the empire had fractured into