List of wars involving Japan

The following is a list of wars involving Japan.

Conflict	Combatant 1	Combatant 2	Results
Kamakura Shogunate
Jōkyū War (1221)	Kamakura Shogunate	Emperor Go-Toba	Victory Retired emperors exiled.
Mongol invasions of Japan (1274 and 1281)	Kamakura Shogunate	File:White Sulde of the Mongol Empire.jpg Mongol Empire	Victory The Mongolian invasions failed.
Genkō War (1331–1333)	Kamakura Shogunate	Emperor Go-Daigo	Regime change Rise of the Ashikaga shogunate.
Muromachi period
Ōei Invasion (1419)	Tsushima Province	Korea	Tsushima victory Korean withdrawal.
Ōnin War (1467–1477)	Ashikaga Shogunate Yamana clan	Hosokawa clan	Stalemate Weakening of the Ashikaga Shogunate.
Azuchi–Momoyama period
Seven Year War (1592–1598)	Japan	China]] [[File:Coat of Arms of Joseon Korea.png|23px Korea	Defeat Withdrawal of Japanese armies from Korea.
Battle of Sekigahara (1600)	Toyotomi clan	Tokugawa Ieyasu	Regime change Beginning of Tokugawa shogunate.
Edo Period
Invasion of Ryukyu (1609)	Satsuma Domain	Ryukyu Kingdom	Satsuma victory Ryukyu becomes a vassal state.
Bombardment of Kagoshima (1863)	Satsuma Domain	United Kingdom	Satsuma defeat Kagoshima heavily damaged.
Shimonoseki War (1863–1864)	Chōshū Domain	United Kingdom Netherlands France United States	Chōshū defeat Chōshū had to pay an indemnity of $3,000,000.
Second Chōshū expedition (1866)	Tokugawa Shogunate Aizu Domain	Chōshū Domain	Shogunal defeat Weakening of the Tokugawa Shogunate.
Boshin War (1868–1869)	Tokugawa Shogunate Ōuetsu Reppan Dōmei Republic of Ezo	Imperial Court Satchō Alliance	Regime change End of the Shogunate. Restoration of imperial rule.
Empire of Japan
Battle of Ganghwa (1875)	Empire of Japan	Korea	Victory Severe damage inflicted on Korean defenses.
First Sino-Japanese War (1894–1895)	Empire of Japan	China	Victory Joseon Korea removed from Qing vassalage.
Japanese invasion of Taiwan (1895)	Empire of Japan	Formosan Republic	Victory Annexation of Taiwan by Japan.
Boxer Rebellion (1899–1901)	Empire of Japan Russia United Kingdom France United States Germany Austria-Hungary Italy	Yihetuan Movement China	Victory The rebellion was suppressed. Signing of the Boxer Protocol. Provisions for foreign troops to be stationed in Beijing.
Russo-Japanese War (1904–1905)	Empire of Japan	Russia	Victory Treaty of Portsmouth
World War I (1914–1918)	French Third Republic British Empire Australia Canada New Zealand Union of South Africa British Raj Russian Empire Kingdom of Italy United States Kingdom of Serbia Empire of Japan Belgium Kingdom of Greece Kingdom of Romania Portugal Brazil	German Empire DSWA DOA Kamerun DNG Austria-Hungary Ottoman Empire Kingdom of Bulgaria	Victory End of the German, Russian, Ottoman, and Austro-Hungarian empires Formation of new countries in Europe and the Middle East Transfer of German colonies and regions of the former Ottoman Empire to other powers Establishment of the League of Nations.
Siberian Intervention (1918–1922)	Empire of Japan United States United Kingdom	Russian SFSR Far Eastern Republic	Defeat Allies withdraw, Bolsheviks regain Siberia.
World War II (1931–1945)	Empire of Japan Nazi Germany Kingdom of Italy Manchukuo Mengjiang Wang Jingwei regime Azad Hind Thailand Empire of Vietnam State of Burma Kingdom of Hungary (1920–46) Kingdom of Romania Kingdom of Bulgaria Vichy France	Taiwan United States Soviet Union United Kingdom France Poland Canada Australia New Zealand Union of South Africa Democratic Federal Yugoslavia Kingdom of Greece Denmark Norway Netherlands Belgium British Raj Luxembourg Czechoslovakia Brazil Mexico Viet Minh Ethiopian Empire Tannu Tuva	Defeat Fall of the Empire of Japan. American occupation of Japan (1945–1952) Continuation of Chinese Civil War. Substantial weakening of European colonial powers, gradual decolonization of Asia (including the Indonesian National Revolution and the First Indochina War). Collapse of the German Reich Creation of the United Nations Emergence of the United States and the Soviet Union as superpowers Beginning of the Cold War
Operation Masterdom (1945–1946)	United Kingdom British Raj France Empire of Japan	Viet Minh	Withdrawal Start of the First Indochina War, lasting until the Geneva Conference of 1954.

See also

• List of Japanese battles