This is a list of wars involving Japan recorded in history.
This page lists battles between Japanese central or local forces and foreign forces, as well as battles between Japanese central and local forces.
Battles that resulted in de facto regime change are also listed.
Many battles between local daimyō (feudal lords) and clans that did not result in a de facto change of government are not included in the following list.
Defeat Tozama: Other Tozama daimyō: Japan United States United Kingdom Aizu Domain Ōuetsu Reppan Dōmei Takamatsu Domain Tsuruoka Domain Kuwana Domain Matsuyama Domain Ogaki Domain Republic of Ezo France Russia Italy United States Serbia Montenegro Belgium Romania Portugal Hejaz China Greece Brazil Reorganized National Government Manchukuo Mengjiang Provisional Government Reformed Government East Hebei United States Soviet Union Britain Allied victory Allied occupation of Japan (1945–1952) Netherlands United Kingdom Australia Peshmerga New Iraqi government Iraq