1900 Eight-Nation Alliance invaded China, and the Qing court completely became a tool for foreigners to rule China. 19 1 1 year revolution ended feudal history. 1926- 1928, northern expedition, the first cooperation between the two sides. (1927, the cooperation between the two sides broke down) 1934- 1936, the Long March of the Red Army. The Japanese invaded China. 1936, after the Xi incident, the two sides cooperated again. 1937- 1945, War of Resistance against Japanese Aggression. 1946- 1949, civil war, the * * * producers won! 1949, People's Republic of China (PRC) was established. 1950- 1953, Resisting US Aggression and Aid Korea, 195 1 Tibet's Return. 1950- 1952, land reform. 1954.9 constitution making. 1953- 1956, three major transformations. ..... (Great Leap Forward and People's Communalization Movement), 1966- 1976 Cultural Revolution. 1978, the Third Plenary Session of the Eleventh Central Committee, reform and opening up. ..... 1997 Hong Kong's return. 1999, the return of Macao. ..... Now