Battle of Empress Augusta Bay

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The Battle of Empress Augusta Bay was a World War II naval engagement in November 1943 in which U.S. forces defeated the Imperial Japanese Navy off Bougainville, helping secure Allied control in the Solomon Islands campaign.

All labels observed (1)

Label Occurrences
Battle of Empress Augusta Bay canonical 4

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf World War II battle
naval battle
alsoKnownAs Empress Augusta Bay
surface form: Action off Empress Augusta Bay
belligerent Imperial Japanese Navy
United States Navy
campaignGoal secure central Solomons for Allies
casualties Japanese casualties heavier than U.S. casualties
United States casualties relatively light
combatant Japan
United States of America
surface form: United States
commander Aaron S. Merrill
Sentaro Omori
conflict World War II
country Papua New Guinea
surface form: Papua New Guinea (modern political entity containing Bougainville)
date 1943-11-02
endDate 1943-11-02
followedBy Battle of Cape St. George
location Bougainville Island
surface form: Bougainville

Empress Augusta Bay
Solomon Islands
losses Japanese destroyer Hatsukaze sunk
navalTheater Solomon Sea
objective disrupt Japanese attempts to counterattack Bougainville landings
protect Allied landings at Cape Torokina
outcome Allied control of approaches to Bougainville strengthened
Japanese force driven off
partOf Pacific War
Solomon Islands campaign
partOfOperation Battle of Bougainville
surface form: Bougainville campaign
precededBy Battle of Vella Lavella
primaryOpposingForces U.S. Task Force 39 vs. Japanese cruiser-destroyer force
result Allied victory
shipInvolved Japanese cruiser Haguro
Japanese cruiser Myoko
Japanese destroyer Hatsukaze
USS Cleveland
USS Columbia
USS Denver
USS Montpelier
startDate 1943-11-01
strategicSignificance contributed to isolation of Rabaul
helped secure Allied lodgment on Bougainville
tactics night surface action
use of radar-directed gunfire by U.S. Navy
theater Pacific Theater of Operations
surface form: Pacific Ocean theater of World War II

South West Pacific Area
year 1943

How these facts were elicited

Referenced by (4)

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

Bougainville Island wasSiteOf Battle of Empress Augusta Bay
Northern Solomons campaign notableBattle Battle of Empress Augusta Bay
Japanese 8th Fleet notableBattle Battle of Empress Augusta Bay
Japanese cruiser Mogami battle Battle of Empress Augusta Bay