Japanese occupation of Attu

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The Japanese occupation of Attu was a World War II military seizure and control of Attu Island in Alaska’s Aleutian chain by Imperial Japanese forces, marking the only U.S. territory occupied by Japan and leading to a bloody battle when American forces retook the island.

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Statements (43)

Predicate Object
instanceOf World War II battle
military occupation
casualties heavy casualties on both Japanese and American forces during recapture
civilianOutcome deportation of Aleut inhabitants to Japan
civilianPopulation Aleut inhabitants
conflict World War II
countryInvolved Empire of Japan NERFINISHED
United States of America
surface form: United States
endDate 1943-05-30
followedBy Battle of Attu NERFINISHED
garrisonStrength approximately 2,300 Japanese troops
geopoliticalContext Japanese expansion in the Pacific
U.S. defense of Alaska and North Pacific
JapaneseTactics entrenched defensive positions
final banzai charge during Battle of Attu
legacy highlighted vulnerability of U.S. northern defenses
led to increased U.S. military presence in Alaska
location Alaska NERFINISHED
Aleutian Islands NERFINISHED
Attu Island NERFINISHED
memorial Attu Island battlefield and remnants
war memorials commemorating Battle of Attu
notableAs only U.S. territory occupied by Japan during World War II
notableFeature difficult mountainous terrain
harsh Arctic weather conditions
occupyingForce Imperial Japanese Army NERFINISHED
Imperial Japanese Navy NERFINISHED
opposingForce United States Army NERFINISHED
partOf Aleutian Islands campaign NERFINISHED
precededBy Japanese occupation of Kiska NERFINISHED
recaptureForceCommander Albert E. Brown NERFINISHED
Earl C. Long NERFINISHED
recaptureOperation Operation Landcrab NERFINISHED
relatedEvent Aleutian Islands campaign NERFINISHED
Japanese occupation of Kiska NERFINISHED
result American victory
retaking of Attu by United States forces
startDate 1942-06-07
strategicImportance control of North Pacific sea lanes
potential threat to Alaska and North American mainland
theater Pacific Theater of World War II NERFINISHED
USObjectives denial of North Pacific bases to Japan
elimination of Japanese presence from Aleutian Islands

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Battle of Dutch Harbor coordinateOperationWith Japanese occupation of Attu
Attu returned to U.S. control precededBy Japanese occupation of Attu
Battle of Attu precededBy Japanese occupation of Attu
Operation AL result Japanese occupation of Attu
American Theater of World War II significantEvent Japanese occupation of Attu