1 921July China was founded 1926 National Revolutionary Army started the Northern Expedition1927 August1Nanchang Uprising1928 April Jinggangshan stationed. 1931September 18 September193410/October 1936 10. Zunyi Conference1936 65438+February 12 Xi 'an Incident1Lugouqiao Incident on July 7, 937, War of Resistance against Japanese Aggression started nationwide1The Seventh National Congress of China was held on April 5, 945, and in the same year, 15 August.