On June fourth day (Gengshen years), July 19, 1920, the Comintern's Second Congress held in Moscow, USSR.



19 July to 7 August in 1920, the Comintern's Second Congress held in Moscow, USSR. Lenin's "Theses on the National and Colonial Questions", the system adopted by the General Assembly discusses the theory of ethnic and colonial revolution, played an important role in guiding Later, the Communist Party of China to develop a program of the Democratic Revolution.