Conflict |
Combatant 1 |
Combatant 2 |
Results |
Jōmon period |
East Expedition of Emperor Jimmu (c.7th century BCE) |
Kamu-yamato Iware-biko no mikoto's loyal warriors |
Troops led by local chiefdoms |
Kamu-yamato Iware-biko no mikoto Victory
- Kamu-yamato Iware-biko no-mikoto became first Emperor(Emperor Jimmu)
- Foundation of Japan
|
Yayoi period |
Civil war of Wa (2nd century CE) |
unknown Yayoi chiefdoms |
unknown Yayoi chiefdoms |
Establishment of Yamatai state
- Consolidation of chiefdoms
- Himiko made queen
|
Yamato period |
Expeditions of Empress Jingū (c.3rd century) |
Yamato |
Silla |
Victory
|
Yamato-Goguryeo war (391-404) |
Yamato (Wa) Baekje Gaya
|
Goguryeo Silla |
Defeat
- The Yamato troops retreated from the capital of Silla, but Ara Gaya captured the capital of Silla again
- The Yamato troops lost the battle against Goguryeo in Pyongyang (Gwanggaeto Stele)
|
Jinshin War (675) |
Prince Ōama's loyal warriors |
Prince Ōtomo's loyal warriors |
Prince Ōama victory
- Death of Prince Ōtomo
- Emperor Tenmu (Prince Ōama) acceded to the throne.
|
Nara period |
Thirty-Eight Years' War (770-811) |
Imperial Court |
Emishi |
Imperial victory
|
Heian period |
Former Nine Years War (1051-1063) |
Imperial Court |
Abe clan |
Imperial victory
|
Gosannen War (c. 1083-1089) |
Minamoto clan Northern Fujiwara clan |
Kiyohara clan |
Minamoto and Fujiwara victory
|
Genpei War (1180-1185) |
Minamoto clan |
Taira clan |
Minamoto victory
|
Kamakura period |
Jōkyū War (1221) |
Kamakura shogunate |
Retired Emperor Go-Toba's loyal warriors |
Kamakura victory
|
Mongol invasions of Japan (1274 and 1281) |
Japan
|
Mongol Empire
|
Victory
- The Mongol Empire's invasions fail.
|
Genkō War (1331–1333) |
Emperor Go-Daigo's loyal forces |
Kamakura shogunate |
Imperial victory
|
Muromachi period |
Ōei Invasion (1419) |
Tsushima Province |
Joseon |
Victory
|
Ōnin War (1467–1477) |
Hosokawa clan |
Ashikaga Shogunate
Yamana clan |
Stalemate
- Weakening of the Ashikaga Shogunate
|
Azuchi–Momoyama period |
Seven Year War (1592–1598) |
Japan
|
Joseon Ming dynasty |
Defeat
- Tactical stalemate
- Withdrawal of Japanese armies; Strategic Joseon/Ming dynasty victory
|
Edo period |
Invasion of Ryukyu (1609) |
Satsuma Domain |
Ryukyu Kingdom |
Satsuma victory
- Ryukyu Kingdom becomes a vassal state.
|
Shimabara Rebellion (1637-1638) |
Tokugawa shogunate
Dutch Empire |
Christian peasant and ronin rebels |
Tokugawa victory
|
Bombardment of Kagoshima (1863) |
Satsuma Domain |
British Empire |
Stalemate
- Tactical stalemate and mitigated British victory
|
Shimonoseki Campaign (1863–1864) |
Chōshū Domain |
British Empire
Dutch Empire
French Empire
United States of America |
Defeat
- Chōshū pays an indemnity of $3,000,000.
|
Summer War (1866) |
Chōshū Domain |
Tokugawa shogunate
Aizu Domain |
Chōshū victory
- Weakening of the Tokugawa shogunate
|
Meiji period |
Boshin War (1868–1869) |
Imperial Court
Tozama:
Other Tozama daimyo:
Empire of Japan
British Empire
|
Tokugawa Shogunate
Aizu Domain
Ōuetsu Reppan Dōmei
- and others...
Takamatsu Domain
Tsuruoka Domain
Kuwana Domain
Matsuyama Domain
Ogaki Domain
Republic of Ezo
French Empire
|
Imperial victory
|
Southwestern War (1877) |
Empire of Japan |
Shizoku clans from Satsuma Domain |
Victory
- Shizoku rebellions were suppressed
- The conscription system was established in Japan
|
First Sino-Japanese War (1894–1895) |
Empire of Japan |
Qing Dynasty |
Victory
|
Japanese invasion of Taiwan (1895) |
Empire of Japan |
Republic of Formosa |
Victory
|
Boxer Rebellion (1899–1901) |
Empire of Japan
Russian Empire
British Empire
French Republic
United States of America
German Empire
Austro-Hungarian Empire (Austria-Hungary)
Kingdom of Italy |
Qing dynasty |
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 |
Russian Empire
Principality of Montenegro(Diplomatic) |
Victory
|
Taishō period |
World War I (1914–1918) |
Empire of Japan
French Republic
British Empire
Russian Empire
Kingdom of Italy
United States of America
Kingdom of Serbia
Montenegro
Republic of China
Kingdom of Belgium
Kingdom of Greece
Kingdom of Romania
Portuguese Republic
Siam
Kingdom of Hejaz
Emirate of Nejd and Hasa
Idrisid Emirate of Asir
Nepal
United States of Brazil
Transcaucasian Democratic Federative Republic
Democratic Republic of Armenia
Monaco
Cuba
Panama
Guatemala
Nicaragua
Costa Rica
Haiti
Honduras
Liberia
|
German Empire
Austro-Hungarian Empire (Austria-Hungary)
Ottoman Empire
Kingdom of Bulgaria
Dervish State
Sultanate of Darfur
South African Republic
|
Victory
|
Siberian Intervention (1918–1922) |
Empire of Japan
United States of America
British Empire
French Republic
Kingdom of Italy
Republic of Poland
Republic of China
Czechoslovak Republic
Mongolia
White movement |
Russian Soviet Federative Socialist Republic
Far Eastern Republic
Mongolian People's Party |
Withdrawal
- Bolsheviks regain Siberia
|
Shōwa period |
Japanese invasion of Manchuria (1931–1932) |
Empire of Japan |
Republic of China |
Victory
|
Second Sino-Japanese War (1937–1941) |
Empire of Japan |
Republic of China |
Merged into World War II
|
Invasion of French Indochina (1940) |
Empire of Japan |
Vichy France
|
Victory
- Japanese occupation of Northern French Indochina
|
World War II (1941–1945) |
Empire of Japan
German Reich
Kingdom of Italy
Kingdom of Thailand
Republic of Finland
Kingdom of Hungary
Kingdom of Romania
Kingdom of Bulgaria
Slovak Republic (1939-1945)
Independent State of Croatia
Kingdom of Iraq |
Republic of China
United States of America
British Empire
Union of Soviet Socialist Republics
French Republic
Viet Minh
Republic of Poland
Democratic Federal Yugoslavia
Kingdom of Greece
Kingdom of Denmark
Kingdom of Norway
Netherlands
Kingdom of Belgium
Grand Duchy of Luxembourg
Czechoslovak Republic
United States of Brazil
United Mexican States
Colombia
Cuba
Ethiopian Empire |
Defeat
|
Operation Masterdom (1945–1946) |
Empire of Japan
British Empire
French Republic |
Viet Minh |
Withdrawal
|
Heisei period |
Iraq War (2003–2011) |
Peshmerga
New Iraqi government
|
Ba'athist Iraq
|
Victory
|
Operation Ocean Shield (2009–present) |
Japan
Somalia
NATO
Australia
China
Colombia
India
Indonesia
Malaysia
New Zealand
Oman
Pakistan
Puntland
Russia
Saudi Arabia
Seychelles
Singapore
South Korea
Ukraine |
Somali Pirates |
Ongoing
- NATO operations being conducted.
|