Liu Jianfeng

Liu Jianfeng (劉建鋒) (d. May 17, 896), courtesy name Ruiduan (銳端), was a warlord late in the Chinese dynasty Tang Dynasty, who controlled Wu'an Circuit (武安, headquartered in modern Changsha, Hunan) from 894 to his death in 896.

It is not known when Liu Jianfeng was born, but it is known that he was from Langshan (朗山, in modern Zhumadian, Henan). At some point, he became an officer at Zhongwu Circuit (忠武, headquartered in modern Xuchang, Henan) and was stationed at Cai Prefecture (蔡州, in modern Zhumadian), which Langshan belonged to, as part of the effort to resist the major agrarian rebel Huang Chao, serving alongside his Zhongwu Circuit colleague Sun Ru, and both served under Qin Zongquan the military governor of Fengguo Circuit (奉國, headquartered at Cai Prefecture). They continued to serve under Qin after Qin had rebelled against the rule of Emperor Xizong and declared himself emperor.

In 886, Qin Zongquan put Sun Ru in command of an army to attack Tang's Heyang Circuit (河陽, headquartered in modern Jiaozuo, Henan); Sun prevailed over the acting military governor of Heyang, Zhuge Zhongfang (諸葛仲方), and took over the circuit. Despite the victory, Zhang Ji (張佶), who also served under Sun, secretly stated to Liu Jianfeng, "Lord Qin is harsh and paranoid, and will soon be destroyed. We have to find a way to avoid this fate ourselves." Liu, who saw the wisdom in Zhang's words, befriended him.

Sun subsequently withdrew from Heyang after Qin suffered a major defeat at the hands of Zhu Quanzhong the Tang military governor of Xuanwu Circuit (宣武, headquartered in modern Kaifeng, Henan). Later in the year, Qin sent his brother Qin Zongheng (秦宗衡), with Sun as his deputy, to advance into Huainan Circuit (淮南, headquartered in modern Yangzhou, Jiangsu), to contend for control of the circuit, which by that point had fallen into an internecine struggle between Qin Yan and Bi Shiduo on one side, and Yang Xingmi on the other. Liu, Zhang, and Ma Yin were all in this army commanded by Qin Zongheng. When they arrived at Huainan's capital Yang Prefecture (揚州), Yang Xingmi had captured it and forced Qin Yan and Bi to flee. Qin Yan and Bi then joined forces with Qin Zongheng as well. Soon thereafter, when Qin Zongquan, himself facing military pressure from Zhu, tried to recall Qin Zongheng's army, Sun assassinated Qin Zongheng and took over the army, thereafter executing Qin Yan and Bi. Sun soon defeated Yang Xingmi and took over Yang Prefecture, claiming the title of military governor of Huainan. (Yang subsequently took Ningguo Circuit (寧國, headquartered in modern Xuanzhou, Anhui and became its military governor.) In 889, Sun had Liu attack and capture Chang (常州, in modern Changzhou, Jiangsu) and Run (潤州, in modern Zhenjiang, Jiangsu) from Yang Xingmi's subordinate Tian Jun and Cheng Ji (成及), a subordinate of Qian Liu (who then controlled Hang Prefecture (杭州, in modern Hangzhou, Zhejiang), respectively. In 890, by which time Chang Prefecture had again been taken by Yang Xingmi and was defended by Yang Xingmi's subordinate Zhang Xingzhou (張行周), Liu again captured it and killed Zhang, and then put Su Prefecture (蘇州, in modern Suzhou, Jiangsu), then under the control of Yang Xingmi's subordinate Li You (李友), under siege. Sun subsequently captured Su Prefecture himself and killed Li.

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