Causes of the first period of the Chinese civil war By Valeriagm10 1850 The Taiping Rebellion spread throughout southern China. 1895 China remained subjugated to the West, and faced the humiliation of defeat in war to Japan 1899 Westerners in the Boxer Rebellion 1904 China lost more territory to Japan when it was part of the settlement in the Russo-Japanese War 1916 Yuan´s final miscalculation was to proclaim himself Emperor 1921 A new Chinese Communist Party (CCP) 1944 US commander General Joseph Stilwell levaes China at Jiang Jieshi´s 1946 Truce between CCP and GMD 1947 Marshall leaves China 1949 Mao announces the establishment of the People´s Republic of china