List of wars involving Japan

• Kamu-yamato Iware-biko no-mikoto became first Emperor (Emperor Jimmu).
• Foundation of Japan

• Consolidation of chiefdoms
• Himiko made queen

• Silla, Baekje, and Goguryeo paid tribute to Yamato. (Kojiki, Nihon Shoki)

• Ara Gaya

• The Wa troops retreated from the capital of Silla, but Ara Gaya captured the capital of Silla again.
• The Wa troops lost the battle against Goguryeo in Pyongyang (Gwanggaeto Stele).

• Mishihase were possible recent settlers from Siberia.
• Yamato and Emishi force defeated Mishihase. (Nihon Shoki)
• Place uncertain, possibly Hokkaido

• Wa troops retreated from Baekje.
• Conquest of Baekje by the Tang dynasty and Silla

• Death of Prince Ōtomo
• Emperor Tenmu (Prince Ōama) acceded to the throne.

• Sakanoue no Tamuramaro became shōgun.
• Death of Aterui. Most of Emishi entered under the rule of Imperial Court.

• Rise of the Minamoto clan
• The Kiyohara clan ruled Mutsu Province and Dewa Province.

• The Northern Fujiwara clan ruled the former territory of the Kiyohara clan.

• Death of Emperor Antoku
• Establishment of the Kamakura shogunate

• Retired emperors exiled

• Imperial Court
  • Kamakura shogunate
  • Hōjō clan
  • Sō clan
  • Shōni clan
  • Sashi clan
  • Taira clan
  • Kikuchi clan
  • Ōtomo clan
  • Shimazu clan
  • Matsura clan

• China
• Korea

• The Mongol Empire's invasions fail.

• Rise of the Ashikaga shogunate

• Tsushima Province

• Korean withdrawal

• Weakening of the Ashikaga shogunate

• Toyotomi clan

• Strategic Korean and Chinese victory
• Japanese forces retreat from Korean Peninsula following military stalemate

• The Ryukyu Kingdom becomes a vassal state.

• National seclusion policy imposed
• Christianity driven underground

• Tactical stalemate and mitigated British victory

• Chōshū pays an indemnity of $3,000,000.

• Weakening of the Tokugawa shogunate

Tozama:

Satchō Alliance

• Satsuma Domain
• Chōshū Domain

Other Tozama daimyō:

• Tosa Domain
• Hiroshima Domain
• Tsu Domain
• Saga Domain
• Ogaki Domain
• Hirosaki Domain
• Kuroishi Domain
• Yodo Domain

 Japan

 United Kingdom

Aizu Domain
Ōuetsu Reppan Dōmei

• Jozai Domain
• Nagaoka Domain
• Sendai Domain

and others...

Takamatsu Domain
Tsuruoka Domain
Kuwana Domain
Matsuyama Domain
Ogaki Domain

Republic of Ezo

 France

• End of the Tokugawa shogunate
• Meiji Restoration

• Occupation of Taiwan by Japan

• Shizoku rebellions were suppressed.
• The conscription system was established in Japan.

• Annexation of Formosa

• The rebellion was suppressed.
• Signing of the Boxer Protocol
• Provisions for foreign troops to be stationed in Beijing

• Treaty of Portsmouth

 Japan

 France

•  India
•  Canada
•  Australia
•  New Zealand
•  South Africa

 Russia
 Italy
 United States
 Serbia
 Montenegro
 Belgium
 Romania
 Portugal
Hejaz
China
 Greece
 Brazil

• End of the German Empire, Austro-Hungarian Empire, Ottoman Empire, and Russian Empire
• Formation of new countries in Europe and the Middle East
• Transfer of German colonies and regions of the former Ottoman Empire to other powers
• Creation of the League of Nations

• Bolsheviks regain Siberia.

• Tanggu Truce
• Establishment of the Japanese puppet state Manchukuo

 Japan

Reorganized National Government
 Manchukuo
 Mengjiang
Provisional Government
Reformed Government
East Hebei

 China

 United States
 Soviet Union
 British Empire

• Merged into World War II
• Chinese victory as part of the Allied victory in the Pacific War
• Surrender of all Japanese forces in mainland China (excluding Manchuria), Formosa and French Indochina north of 16° north to China
• China becomes a permanent member of the United Nations Security Council.
• Resumption of the Chinese Civil War

 France

• French Indochina

• Japanese occupation of Northern French Indochina

• Fall of the Empire of Japan, Greater German Realm, and Kingdom of Italy
• Allied occupation of Japan and Germany
• Continuation of the Chinese Civil War
• Substantial weakening of European colonial powers, gradual decolonization of Asia (including the Indonesian National Revolution and the First Indochina War)
• Creation of the United Nations
• Emergence of the United States and the Soviet Union as superpowers
• Beginning of the Cold War

 Japan

 Netherlands

•  Dutch East Indies
•  Dutch Caribbean

 United Kingdom

•  India

 Australia

• Netherlands accepts the Independence of Indonesia

• Restoration of French rule in Indochina
• Start of the First Indochina War, lasting until the Geneva Conference of 1954

• North Korean naval trawler sunk

Coalition forces

•  Japan
•  South Korea
•  Spain
•  Denmark
•  Romania
•  El Salvador
•  Estonia
•  Bulgaria
•  Moldova
•  Albania
•  Ukraine
•  Czech Republic
•  Tonga
•  Azerbaijan
•  Singapore
•  Bosnia and Herzegovina
•  Macedonia
•  Latvia
•  Kazakhstan
•  Armenia
•  Mongolia
•  Georgia
•  Slovakia
•  Lithuania
•  Italy
•  Norway
•  Hungary
•  Netherlands
•  Portugal
•  New Zealand
•  Thailand
•  Philippines
•  Honduras
•  Dominican Republic
•  Nicaragua
•  Iceland

•  United States
•  United Kingdom
•  Australia
•  Poland

Peshmerga

New Iraqi government

 Iraq

• Invasion and occupation of Iraq
• Defeat of Ba'ath Party-led regime and execution of Saddam Hussein
• Iraqi insurgency, emergence of al-Qaeda in Iraq, and civil war
• Subsequent depletion of Iraqi insurgency, improvements in public security
• Establishment of democratic elections and formation of new Shia led government
• U.S.–Iraq Status of Forces Agreement
• Withdrawal of U.S. troops from Iraq
• Rise of Iraqi insurgency after U.S. withdrawal and spillover with the Syrian Civil War
• Resurgence of al-Qaeda in Iraq and Syria

• Number of Somali pirate attacks have been reduced dramatically.