Operation Backhander
E158171
Operation Backhander was the Allied amphibious assault in late 1943–early 1944 to capture Cape Gloucester on New Britain from Japanese forces during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation Backhander canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1374138 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Operation Backhander Context triple: [Battle of Cape Gloucester, operation, Operation Backhander]
-
A.
Operation Ring
Operation Ring was a 1991 Soviet and Azerbaijani military operation that forcibly deported and terrorized Armenian civilians from villages in the Nagorno-Karabakh region.
-
B.
Operation Slapstick
Operation Slapstick was a World War II Allied amphibious landing at the Italian port of Taranto in September 1943, conducted as part of the broader Italian Campaign following Italy’s armistice.
-
C.
Operation Hiram
Operation Hiram was a major Israeli military offensive in late 1948 that rapidly captured the Upper Galilee from Arab forces during the closing stages of the 1948 Arab–Israeli War.
-
D.
Operation MI
Operation MI was the Imperial Japanese Navy’s World War II plan to seize Midway Atoll, culminating in the pivotal Battle of Midway in June 1942.
-
E.
Operation Wunderland
Operation Wunderland was a World War II German Kriegsmarine naval operation in the Arctic aimed at disrupting Soviet shipping and naval forces along the Northern Sea Route.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Operation Backhander Target entity description: Operation Backhander was the Allied amphibious assault in late 1943–early 1944 to capture Cape Gloucester on New Britain from Japanese forces during World War II.
-
A.
Operation Ring
Operation Ring was a 1991 Soviet and Azerbaijani military operation that forcibly deported and terrorized Armenian civilians from villages in the Nagorno-Karabakh region.
-
B.
Operation Slapstick
Operation Slapstick was a World War II Allied amphibious landing at the Italian port of Taranto in September 1943, conducted as part of the broader Italian Campaign following Italy’s armistice.
-
C.
Operation Hiram
Operation Hiram was a major Israeli military offensive in late 1948 that rapidly captured the Upper Galilee from Arab forces during the closing stages of the 1948 Arab–Israeli War.
-
D.
Operation MI
Operation MI was the Imperial Japanese Navy’s World War II plan to seize Midway Atoll, culminating in the pivotal Battle of Midway in June 1942.
-
E.
Operation Wunderland
Operation Wunderland was a World War II German Kriegsmarine naval operation in the Arctic aimed at disrupting Soviet shipping and naval forces along the Northern Sea Route.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
amphibious assault
ⓘ
military operation ⓘ |
| aimedAt | reducing Japanese air threat from New Britain ⓘ |
| alsoKnownAs |
Battle of Cape Gloucester
ⓘ
surface form:
Cape Gloucester landings
|
| belligerent |
Japan
ⓘ
surface form:
Empire of Japan
United States of America ⓘ |
| codeName | Backhander ⓘ |
| commander |
Douglas MacArthur
ⓘ
Iwao Matsuda ⓘ William H. Rupertus ⓘ |
| commandStructure |
South West Pacific Area
ⓘ
surface form:
Allied South West Pacific Area command
|
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| endDate | 1944-01-16 ⓘ |
| environment |
heavy rainfall
ⓘ
jungle terrain ⓘ |
| followedBy | subsequent Allied advances along New Britain coast ⓘ |
| front | Pacific War ⓘ |
| isPartOfCampaign |
New Guinea campaign
ⓘ
surface form:
New Guinea and New Britain campaigns
|
| landingDate | 1943-12-26 ⓘ |
| location |
Battle of Cape Gloucester
ⓘ
surface form:
Cape Gloucester
New Britain ⓘ Territory of New Guinea ⓘ |
| objective |
capture Cape Gloucester airfields
ⓘ
secure western tip of New Britain ⓘ |
| opponentUnit |
Japanese 17th Division elements
ⓘ
Matsuda Force ⓘ |
| participant |
1st Marine Division (United States)
ⓘ
surface form:
1st Marine Division
United States Army Air Forces ⓘ
surface form:
US Army Air Forces
United States Navy ⓘ
surface form:
US Navy
V Amphibious Corps ⓘ
surface form:
US V Amphibious Corps
|
| partOf |
New Britain campaign
ⓘ
Operation Cartwheel ⓘ Southwest Pacific theatre of World War II ⓘ
surface form:
South West Pacific theatre of World War II
|
| precededBy | Allied operations on eastern New Britain ⓘ |
| region |
Southwest Pacific theatre of World War II
ⓘ
surface form:
South West Pacific
|
| result | Allied victory ⓘ |
| serviceBranch |
United States Army Air Forces
ⓘ
United States Marine Corps ⓘ United States Navy ⓘ |
| startDate | 1943-12-26 ⓘ |
| strategicPurpose |
secure control of Vitiaz and Dampier Straits
ⓘ
support isolation of Rabaul ⓘ |
| tacticalFeature | amphibious landings on multiple beaches near Cape Gloucester ⓘ |
| theatreCommander | Douglas MacArthur ⓘ |
| year |
1943
ⓘ
1944 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Operation Backhander Description of subject: Operation Backhander was the Allied amphibious assault in late 1943–early 1944 to capture Cape Gloucester on New Britain from Japanese forces during World War II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.