辽国  (919 AD～951 AD)

Web/Pen/Nick Name：	孝和庄宪皇帝
Temple Name：	世宗
Tomb：	显陵
Start End Reign 947 AD 951 AD 天禄 September, 947 AD September, 951 AD 

　　Liao Xiao-and Zhuangxian Huang Di Ji Yelv Sejong Nguyen (919 January 29 -951), the Khitan Diego Tribe Xia Lai River Township Yelv strong interest in stone (now Inner Mongolia, China Arhorchin flag East), who named Yelv, Science Name Nguyen, Kitai name Wu For (also known as Okuma For), the third emperor of Liao dynasty (947 -951 years in office). He is a big Khitan state (later renamed the Great Liao) Crown Prince, who Wong Wang, Dongdan king, emperor of Liao Yi were to country (Zhuizun, not the throne) Yelv times the eldest son, Taizu Emperor Taizu of Liao's eldest grandson, too were Yelv Deguang nephew.
　　Early
　　Taizong off Houjin way home in the North after the death of Yelv Ruanfa Bing capture of Nanjing (now Beijing), and general support in the army for the emperor under the self-reliance, goes to Beijing (now Inner Mongolia Balinzuoqi) Queen Mother Xiao Ping to send his son Yelv Law Li Hu in Nanjing spring fighting in northern Thailand and Germany, defeated. After Minister Yelv discourage housing quality, Empress had agreed to Yelv Nguyen when the emperor. When King Sejong appointment he eventually Yelv housing quality, a series of reforms, the official Taizong north and south when the government merged the North and South Privy Council, spent the South, North King, South Privy Council later merged to form a Privy Council. These reforms so that the Liao from the tribal alliance to enter the centralization of power, these are inseparable from the reform of King Sejong Liao. However, good wine and women Sejong, loved hunting. His later years, is appointed crafty, Tai Hing Feng Shang down to kill, leading to affairs of state does not repair the political corruption. Liao Tien Lu four years (951 years) in September, Sejong help North Chinese attack Later Zhou Dynasty, the march to the naturalization (this Hohhot, Inner Mongolia) and Cheung ancient mountains, due to other forces yet to come, so based in Vulcan sediment. During the drink, hit people, hunting, and subordinates it is dissatisfied. Evening, has been usurping the police cut the heart Yelv Nguyen Liao killed in the sleep Sejong Yelv. Yelv Nguyen died at the age of 34 years, the reign of 4 years. The posthumous name of filial piety and Zhuangxian Huang Di, the posthumous names of King Sejong.