battle, notable, interwar and Second World War

Battle of Shumshu

Name: Battle of Shumshu
Start: 1945-08-18
Location: Shumshu, Russia

Battle of Shumshu was a battle fought on 18 August 1945 at Shumshu, in what is now Russia; it lasted 5 days. It was part of Q220602. The recorded result: Soviet victory. Recorded strength: 8,821 troops; 64 ships and craft against 8,480–8,500 troops; 77 tanks.

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Location of Shumshu Island (Шумшу / 占守島), Kuril Islands, Russia. edited by Telim tor, Public domain, via Wikimedia Commons.

Fought18 August 1945lasted 5 days

WhereShumshu, Russia50.733N, 156.317E

OutcomeSoviet victory

BelligerentsSoviet UnionagainstJapan

Part ofQ220602

Record

Date	18 August 1945 to 23 August 1945
Place	Shumshu, Russia 50.733N, 156.317E
Kind	Battle, interwar and Second World War
Territorial change	Shumshu annexed by the Soviet Union
Strength	8,821 troops; 64 ships and craft	8,480–8,500 troops; 77 tanks
Casualties and losses	Soviet claim: 1,516–3,472 total, as; 516–2,421 killed or died of wounds (excluding naval personnel) and; 1,000–1,051 wounded or missing; Five landing ships destroyed; Japanese claim: 3,000 to 4,500 killed and wounded	Japanese claim: 600 total, as; 191 killed and; 409 wounded; 20 tanks destroyed; Soviet claim: 1,018 total, either as: 369 killed and 649 wounded or; 473 killed/died of wounds and 545 wounded
Commanders	Dmitry Ponomarev (submariner)	Fusaki Tsutsumi Ikeda Sueo

The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Siege of Petropavlovsk 1854, 300 km NE
Battle of the Komandorski Islands 1943, 856 km E
Battle of Korsakov 1904, 1066 km W
Battle of Attu 1943, 1179 km E
Battle of Yegach 1730, 1420 km N

Elsewhere in 1945

Battle of Shumshu is one of 2,997 engagements of the 20th century in the atlas and one of 350 in present-day Russia.

Sources

Identity, coordinates, dates and the war from Wikidata Q14565619, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Shumshu, revision 1375681013, 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.