In the Tang Dynasty, 2/kloc-0 emperors were established and ruled for 289 years. Through the rule of Zhenguan and the prosperity of Kaiyuan, the grand occasion of all countries coming to Korea was created. After the Anshi Rebellion, the eunuch's autocratic power and separatist regime led to the gradual decline of national strength, which was destroyed because the Huang Chao Uprising affected its foundation. The Tang Dynasty was founded in 6 18.