In 907, Bao Ji of Lu Ye became the leader of the Khitan Tribal Alliance. Founded on 9 16, the founding name is "Qidan", with its capital in Beijing, near Huangfu (now Nanpolo City, Balinzuoqi, Chifeng City, Inner Mongolia)?

In 947, Emperor Taizong of Liao led his troops south to the Central Plains and captured Bianjing (now Kaifeng, Henan). Ye Ludeguang ascended the throne in Bianjing and proclaimed himself emperor, changing his country name to "Daliao" and his year name to "Datong".

In 983, it was renamed "Grand Khitan". 1007 Liao Shengzong moved the capital to Beijing Dadingfu (now Ningcheng County, Chifeng City, Inner Mongolia). 1066 Yelv Hongji of Liao Daozong revived the country "Liao". 1 125 was destroyed by the ruler.

Extended data:

In the historical circle, in 9 16, Lu Ye Abaoji, emperor of Liao Taizu, proclaimed himself the emperor of the People's Republic of China, with the title of Qidan; In the first year of Datong of Emperor Taizong (947), Emperor Taizong of Liao led his troops south to the Central Plains, captured Kaifeng and destroyed the later Jin Dynasty. Ye Ludeguang acceded to the throne in Kaifeng and changed his name to Da Liao. In the first year of the unification of the holy clan (983), it was renamed Da Qidan, and in the second year of Daozong Xianyong (1066), it was renamed Da Liao.

There are generally three versions of the time when Qidan first changed its name to Liao: 937, 938 and 947. Regarding the number of times that Liao changed its title, most scholars agreed that the title was changed to Liao when Emperor Taizong of Liao Dynasty, to Qidan when Emperor Shengzong of Liao Dynasty, and to Liao when Emperor Daozong of Liao Dynasty.