War | Republic of China and allies | Opponents | Result |
Xinhai Revolution (1911–1912) | Revolutionaries | Empire of China | Victory |
National Protection War (1915–1916) | Republic of China | Empire of China | Victory |
Manchu Restoration (1917) | China | Restored Qing Imperial Government | Victory - General Zhang Xun's army seized Beijing
- Briefly reinstallation of the last emperor of the Qing dynasty, Puyi, to the throne
- Restoration quickly reversed by Republican troops
|
World War I (1917–1918) | France United Kingdom Russia United States Italy Japan China Canada Australia New Zealand India South Africa Serbia Montenegro Romania Belgium Greece Portugal Brazil | Germany Austria-Hungary Ottoman Empire Bulgaria | Victory |
Russian Civil War (1918–1920) | White Movement France United Kingdom United States Italy Japan China Canada Australia India South Africa Serbia Romania Greece Czechoslovakia Poland Estonia | Russian SFSR Far Eastern Republic Latvian SSR Ukrainian SSR Commune of Estonia Mongolian Communists | Withdrawal - Allied withdrawal from Russia
- Bolshevik victory over White Army
|
Occupation of Mongolia (1919–1921) | China | Bogd Khanate of Mongolia Buryat-Mongolia White Movement | Withdrawal |
Northern Expedition (1926–1928) | Beiyang Government | Nationalist Government | Beiyang Defeat |
Chinese Civil War (first phase) (1927–1936) | Republic of China | Chinese Communist Party | Ceasefire - Fighting suspended due to the war with Japan and World War II
- KMT and CCP form the Second United Front in 1937
|
Sino-Soviet Conflict (1929) | China | Soviet Union | Defeat - Provisions of 1924 agreement upheld
|
Sino-Tibetan War (1930–1932) | China | Tibet | Victory - Tibetan invasion repulsed
- Eastern Xikang falls under Chinese control
|
Japanese Invasion of Manchuria (1931–1932) | China | Japan | Defeat |
Soviet Invasion of Xinjiang (1934) | China | Soviet Union | Ceasefire |
Islamic Rebellion in Xinjiang (1937) | China | Xinjiang Soviet Union | Defeat - Establishment of the rule of Sheng Shicai's regime over the whole territory of Xinjiang province
|
Second Sino-Japanese War (1937–1945) | China | Japan | Victory |
World War II (1939–1945) | United States Soviet Union United Kingdom China France Poland Canada Australia New Zealand India South Africa Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Philippines British Malaya | Germany Japan Italy Hungary Romania Bulgaria Slovakia Croatia Finland Thailand Manchukuo Mengjiang | Victory |
Chinese Civil War (second phase) (1945–1949) | Republic of China | Chinese Communist Party | Defeat |