Midway operation
E236979
The Midway operation was the Imperial Japanese Navy’s June 1942 offensive to seize Midway Atoll, culminating in the pivotal Battle of Midway that marked a major turning point in the Pacific War.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Battle of Midway (support operations) | 3 |
| Battle of Midway support operations | 1 |
| Midway operation canonical | 1 |
| Operation MI (Midway operation) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2145037 — 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: Midway operation Context triple: [2nd Carrier Division, participatedIn, Midway operation]
-
A.
Operation Cartwheel
Operation Cartwheel was a major Allied World War II campaign in the Pacific aimed at isolating and neutralizing the Japanese stronghold of Rabaul through a series of coordinated air, land, and naval operations.
-
B.
Operation Coronet
Operation Coronet was the planned Allied amphibious invasion of Japan’s main island of Honshu, scheduled for early 1946 as part of the broader strategy to force Japan’s surrender in World War II.
-
C.
Operation Forager
Operation Forager was the major U.S. Pacific campaign in mid-1944 that captured the Mariana Islands from Japan, enabling strategic bombing of the Japanese home islands.
-
D.
Allied operations in the Pacific Theater of World War II
Allied operations in the Pacific Theater of World War II were the coordinated military campaigns by the United States and its allies to defeat Japan across Asia and the Pacific, culminating in Japan’s surrender in 1945.
-
E.
Operation Hailstone
Operation Hailstone was a major U.S. Navy air and surface attack in February 1944 that devastated the Japanese naval and air base at Truk Lagoon in the Pacific Theater.
- 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: Midway operation Target entity description: The Midway operation was the Imperial Japanese Navy’s June 1942 offensive to seize Midway Atoll, culminating in the pivotal Battle of Midway that marked a major turning point in the Pacific War.
-
A.
Operation Cartwheel
Operation Cartwheel was a major Allied World War II campaign in the Pacific aimed at isolating and neutralizing the Japanese stronghold of Rabaul through a series of coordinated air, land, and naval operations.
-
B.
Operation Coronet
Operation Coronet was the planned Allied amphibious invasion of Japan’s main island of Honshu, scheduled for early 1946 as part of the broader strategy to force Japan’s surrender in World War II.
-
C.
Operation Forager
Operation Forager was the major U.S. Pacific campaign in mid-1944 that captured the Mariana Islands from Japan, enabling strategic bombing of the Japanese home islands.
-
D.
Allied operations in the Pacific Theater of World War II
Allied operations in the Pacific Theater of World War II were the coordinated military campaigns by the United States and its allies to defeat Japan across Asia and the Pacific, culminating in Japan’s surrender in 1945.
-
E.
Operation Hailstone
Operation Hailstone was a major U.S. Navy air and surface attack in February 1944 that devastated the Japanese naval and air base at Truk Lagoon in the Pacific Theater.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
military operation
ⓘ
naval operation ⓘ |
| belligerent |
Empire of Japan
ⓘ
linked to:
Japan
United States of America ⓘ |
| codeName | MI Operation ⓘ |
| commander |
Chuichi Nagumo
ⓘ
Isoroku Yamamoto ⓘ Nobutake Kondo NERFINISHED ⓘ |
| conflict | Battle of Midway ⓘ |
| country |
Empire of Japan
ⓘ
linked to:
Japan
|
| endTime | 1942-06-07 ⓘ |
| followedBy |
Guadalcanal campaign
ⓘ
linked to:
Battle of Guadalcanal
|
| hasPart | Battle of Midway ⓘ |
| location |
Central Pacific Ocean
ⓘ
Midway Atoll ⓘ |
| objective |
destruction of United States Pacific Fleet aircraft carriers
ⓘ
seizure of Midway Atoll ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| opponent |
United States Marine Corps
ⓘ
United States Navy ⓘ |
| outcome |
heavy Japanese carrier losses
ⓘ
shift of naval balance in favor of the United States ⓘ |
| partOf |
Pacific War
ⓘ
World War II ⓘ |
| plannedBy |
Combined Fleet Headquarters of the Imperial Japanese Navy
ⓘ
linked to:
Combined Fleet of the Imperial Japanese Navy
|
| pointInTime | June 1942 ⓘ |
| precededBy |
Coral Sea campaign
ⓘ
linked to:
Battle of Coral Sea
|
| result |
decisive American victory
ⓘ
failure of Japanese objective to capture Midway Atoll ⓘ |
| significance |
halted Japanese strategic expansion in the Pacific
ⓘ
major turning point in the Pacific War ⓘ |
| startTime | 1942-06-04 ⓘ |
| strategicContext | Japanese attempt to eliminate U.S. carrier threat after Doolittle Raid ⓘ |
| theater |
Pacific Ocean theater of World War II
ⓘ
linked to:
Pacific Theater of Operations
|
| timePeriod |
World War II in the Pacific theater
ⓘ
linked to:
Pacific War
|
| uses |
aircraft carriers
ⓘ
battleships ⓘ cruisers ⓘ destroyers ⓘ naval aviation ⓘ submarines ⓘ |
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: Midway operation Description of subject: The Midway operation was the Imperial Japanese Navy’s June 1942 offensive to seize Midway Atoll, culminating in the pivotal Battle of Midway that marked a major turning point in the Pacific War.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Midway operation
linked to: Midway operation
linked to: Midway operation
linked to: Midway operation
linked to: Midway operation