Zhang Xianzhong or Chang Hsien-chung (simplified Chinese: 张献忠; traditional Chinese: 張獻忠; pinyin: Zhāng Xiànzhōng) (September 18, 1606 – January 2, 1647), nicknamed Yellow Tiger, was a leader of a peasant revolt from Yan'an, Shaanxi Province and he later conquered Sichuan in the 17th century. His rule in Sichuan was brief and was ended by the invading Manchu army. He is commonly associated with the massacres in Sichuan which depopulated the region, however the extent of his killings is disputed.
Read more about Zhang Xianzhong: The Devastation of Sichuan, Aftermath