Atlas of Battles

battle, medieval

Battle of Ōshū

Battle of Ōshū was a battle fought in 1189 at Mutsu Province, in what is now Japan. Its exact site is not recorded; the atlas places it at Mutsu Province. The recorded result: Kamakura government victory; destruction of Northern Fujiwara. Recorded strength: 284,000 cavalrymen against 170,000 cavalrymen.

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Fought1189
WhereMutsu Province, Japan38.862N, 141.166E, placed at the location, approximate
OutcomeKamakura government victory; destruction of Northern Fujiwara
Belligerents20px Minamoto clanagainst20px Northern Fujiwara
Casualties and lossesUnknownandFall of Hiraizumi

Record

Date1189 (year precision)
to 1189
PlaceMutsu Province, Japan
38.862N, 141.166E
KindBattle, medieval
Territorial changeMinamoto no Yoritomo gains command of Japan
Strength284,000 cavalrymen170,000 cavalrymen
Casualties and lossesUnknownFall of Hiraizumi
Commanders
  • Minamoto no Yoritomo
  • Fujiwara no Yasuhira
Battle of ŌshūBattle of ŌshūBattle of KawasakiBattle of Mount NagaokaSiege of KuriyagawaBattle of Urushi-gawaSiege of HasedōBattle of KawasakiBattle of Mount NagaokaSiege of KuriyagawaSiege of HasedōSakataAkitaFukushimaTsuruoka100 km38.862N, 141.166E
Placed at Mutsu Province; the exact site is not recorded. with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Elsewhere in 1189

Battle of Ōshū is one of 438 engagements of the 12th century in the atlas and one of 481 in present-day Japan.

Sources

Identity, coordinates, dates and the war from Wikidata Q11445749, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Ōshū, revision 1384677693, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.