1June 840, Britain launched the Opium War; Daoguang emperor sent Qishan to negotiate with Britain; 184 1 year 1 month British troops occupied Hong Kong Island; Guan Tianpei Humen sacrificed; The anti-British struggle of the people in Sanyuanli; The British attacked the southeast coast and important cities in the lower reaches of the Yangtze River; Ge Dinghai sacrificed; Chen Huacheng Wusong died; Zhenjiang campaign; 1August 842, China and Britain "negotiated peace" and the Opium War ended; The main contents of the Chinese and English treaty of nanking and its annexes; The signing of Sino-American Wang Xia Treaty and Sino-French Huangpu Treaty; The serious influence of unequal treaties on China.