Kammala jumla mai zuwa: Yakin basasa na kasar Sin ya kasance yakin basasa a kasar Sin da aka yi tsakanin Kuomintang (KMT) da ke jagorantar gwamnatin Jamhuriyar Sin (ROC) da dakarun Jam'iyyar Kwaminis ta Sin (CCP) da ke gudana a tsakanin 1927 da 1949. An raba yakin gaba daya zuwa matakai biyu tare da tsaka-tsaki: daga watan Agusta 1927 zuwa 1937, KMT-CCP Alliance ya rushe a lokacin Northern Expedition, kuma 'yan Nationalists sun mallaki mafi yawan kasar Sin. Daga 1937 zuwa 1945, an dakatar da tashin hankali, kuma Unitedungiyar Unitedungiyar ta Biyu ta yi yaƙi da mamayewar Jafananci na China tare da taimakon ƙarshe daga Allies na Yaƙin Duniya na II. Yaƙin basasa ya ci gaba tare da
Rashin nasarar Japan, kuma CCP ta sami rinjaye a matakin karshe na yakin daga 1945 zuwa 1949, wanda ake kira juyin juya halin kwaminisanci na kasar Sin.