Niu–Li factional strife
From Wikipedia, the free encyclopedia
The Niu–Li factional strife (Chinese: 牛李黨爭; pinyin: Níu Lǐ dǎngzhēng) was an ongoing contention at the court of the mid-to late Tang dynasty. It is largely viewed to have started during the reign of Emperor Muzong, circa 821, but having its seeds in the events of his father Emperor Xianzong—between two court factions later to be referred to by Chinese historians as the Niu Faction (牛黨), named after Niu Sengru, which was largely viewed as a faction of officials from humble origins and who passed the imperial examinations to get into government; and the Li Faction (李黨), named after Li Deyu, which was largely viewed as a faction of officials from aristocratic origins. The two factions struggled for decades at court, during the reigns of Emperor Muzong and his sons Emperor Jingzong, Emperor Wenzong, and Emperor Wuzong. The struggles are viewed as having ended at the start of the reign of Emperor Wuzong's successor and Emperor Muzong's younger brother Emperor Xuānzong, in 846. Emperor Xuanzong despised Li Deyu and systematically demoted officials related to Li Deyu, leading to the complete defeat of the Li Faction.