The development history of Khitan is about 1000 years. During the Northern Wei Dynasty, eight tribes were formed in Qidan, which was called Guba in history. This period lasted about 400 years. Later, with the establishment of the Sui and Tang Dynasties, the Khitan flourished and gradually formed a stable tribal alliance, until Yelubao established the Liao State, which was a real minority regime established in northern China. After the Liao State was destroyed by the Jin State, it took refuge in Genghis Khan, and the Khitan people began to integrate into the ranks of the Mongolian army.

After the Sui Dynasty unified China, with the insistence of Emperor Wen, the tribes returned to their hometown. Realizing the importance of union and unification, the Khitan gradually established the Yamato Alliance. During the Daiwa period, the Qidan region was bordered by Liaohe River in the east, Laoha River in the west, Chaoyang City in Liaoning Province in the south, and the area north of Xilamulun River in the north. During this period, the Khitan nationality mainly lived by hunting, lived without a fixed place, and still lived a nomadic hunting life. Dahe Tribal Alliance has gone through about one hundred years.

The Yaodi family ruled Qidan for over 170 years. At this time, the Khitan established a unified legal system, official system, currency, weights and measures, etc. Country? Meaning of. ? Drive away Han? The birth of bare-backed copper coins opened the layers of fog that Shi Yaoti studied during the reign of Qidan, and restored this historical blank. After Lu Ye Abaoji, the founding emperor of the Khitan, ascended the throne, he established the Khitan State, changed Liao, and gradually eliminated the surrounding tribes, and then obtained sixteen states from Shi Jingtang. On this basis, Liao began to expand to the Central Plains.

Yuan Tan League? After that, Liao reached its heyday, but after the prosperity of Shengzong and Xingzong, Liao began to decline. During the Tianzuo period, the Jurchen nationality rose. In 1 125, the state of Jin captured the fugitive emperor Tianzuo, and the state of Liao died. Then came the post-Liao period, and the empire established by the descendants of the royal family of the Liao Dynasty lasted for more than one hundred years. During the Northern Liao Dynasty, it resisted the gold with Xixia, and was later destroyed by the gold. After East Liao, East Liao was destroyed by Mongolia, and after West Liao, it was destroyed by Mongolia.