Official Belligerents:
Republic of China
中華民國
Existed since: 1 July, 1925
Joined the war on: 18 September, 1931
Northeastern Army
東北軍
Existed since: 16 June, 1924
Joined the war on: 18 September, 1931
Chinese Workers' and Peasants' Red Army
中國工農紅軍
Existed since: 1928
Joined the war on: 18 September, 1931
Factions and Military cliques:
Yunnan clique
滇系
Existed since: 1915
Joined the war on: 18 September, 1931
Ma clique
馬家軍(閥)
Existed since: 1916
Joined the war on: 18 September, 1931
Xinjiang clique
新疆集團
Existed since: 1916
Joined the war on: 18 September, 1931
Guangxi clique
廣西派
Existed since: 1916
Joined the war on: 18 September, 1931
Fengtian clique
奉系军阀
Existed since: 1916
Joined the war on: 18 September, 1931
Shanxi clique
晉系
Existed since: 1916
Joined the war on: 18 September, 1931
Guangdong clique
廣東派
Existed since: 1916
Joined the war on: 18 September, 1931
Guizhou clique
黔系
Existed since: 1916
Joined the war on: 18 September, 1931
Sichuan clique
四川派
Existed since: 1916
Joined the war on: 18 September, 1931
Xikang clique
西康集團
Existed since: 1916
Joined the war on: 18 September, 1931