Establishment of Manichaeism             

        Bögü Kagan who won a victory against the Khirghiz people was killed by the minister, Baga Tarkan who was his relative and then, this minister became the ruler (779-789. Alp Kutlug Bilge Kagan). This ruler was praised for his bravery and government and it has been determined that he had "arranged some laws that regulated the world order". He defeated the Khirghiz people again. He was married with a Chinese princess.

 

        As a result of this wedlock, some of the conflicts that burst out in China resulting from tyranny were eradicated. Pursuant to his domination, "ay Tangride Kut Bulmuş Kütlü Bilge Kagan" (Kütlü Bilge Kagan Endowed with Divine Power by the Moon God) (789-790) and his son, Kutlug Bilge (790-795) became the rulers. Tibetan people who had been interested in China from of old collaborated with Şa-t'o (Desert) Turks that lived within the environs of Beş-balik in that period. Then, these Tibetan people started their attacks and raids. Uighur people had considered the protection of China as a tradition due to some economical and cultural reasons. Therefore, they sent forces to China and tried to prevent the transgressions. However, they could not succeed in. The ruler whose prestige was damaged was killed. A civil war burst out in Ötüken.

 

        The beloved commander and governor, Kutluk (795-805), "ay Tangride Ülüg Bulmuş Alp Kutlug Bilge Kagan" (Alp Kutlug Bilge Kagan endowed Divine Share by the Moon God) became the ruler in the year of 795. Pursuant to him, "Ay Tangride Kut Bulmuş Külüg Bilge" (Külüg Bilge endowed Divine Power by the Moon God) (805-808) ascended the throne as the ruler. In their periods, a state of peace was established. The economical activities were developed. The important trade cities in the Central Asia were populated by Uighur People. The ruler titled as "Ay Tangride Kut Bulmuş Alp Bilge" (Endowed Divine Power by the Moon God) (821-824) who had fairly peaceful relations in respect of foreign policy was the ruler that constructed the Kara-balasagun inscription in the capital state.

 

        His reigning period was a successful era. He had stopped the advance of Tibetan people that wanted to penetrate into Turkestan. He appointed a new yabgu (prince) as the leader of the Karluk people that were subject to the khanate and he developed the trade relations extending towards the Sogd region. However, there was a civil turmoil that broke out in the country in the later periods. The Ruler Alp Bilge was killed in the year of 832 and the ruler named as Alp Kütüg Bilge Kagan (832-839) was annihilated in a rebellion that was provoked by his minister.