Battle of Iwo Jima
E1787
The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
All labels observed (12)
| Label | Occurrences |
|---|---|
| Battle of Iwo Jima canonical | 71 |
| Iwo Jima campaign | 13 |
| Iwo Jima operation | 5 |
| Invasion of Iwo Jima | 2 |
| Iwo Jima Campaign | 1 |
| Iwo Jima World War II battle | 1 |
| Iwo Jima landings | 1 |
| Iwo Jima operations | 1 |
| World War II Battle of Iwo Jima | 1 |
| invasion of Iwo Jima | 1 |
| seizure of Mount Suribachi | 1 |
| 硫黄島の戦い | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1695 — 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: Battle of Iwo Jima Context triple: [World War II, hasPart, Battle of Iwo Jima]
-
A.
Battle of Okinawa
The Battle of Okinawa was a major and brutal 1945 Pacific campaign between the United States and Japan, marked by intense ground combat, massive casualties, and kamikaze attacks, and is often seen as a decisive factor leading to the end of World War II.
-
B.
Battle of Guadalcanal
The Battle of Guadalcanal was a major World War II campaign in the Pacific where Allied forces fought to halt Japanese expansion and secure strategic control of the Solomon Islands.
-
C.
Battle of Midway
The Battle of Midway was a pivotal 1942 naval engagement in the Pacific Theater where the United States decisively defeated Japan’s carrier fleet, marking a major turning point in World War II.
-
D.
Battle of the Bulge
The Battle of the Bulge was a major German offensive in the winter of 1944–1945 on the Western Front, notable as the last significant Nazi counterattack and one of the bloodiest battles fought by U.S. forces in World War II.
-
E.
D-Day
D-Day was the massive Allied amphibious invasion of Nazi-occupied France on June 6, 1944, that marked a decisive turning point in World War II in Western Europe.
- 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: Battle of Iwo Jima Target entity description: The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
-
A.
Battle of Okinawa
The Battle of Okinawa was a major and brutal 1945 Pacific campaign between the United States and Japan, marked by intense ground combat, massive casualties, and kamikaze attacks, and is often seen as a decisive factor leading to the end of World War II.
-
B.
Battle of Guadalcanal
The Battle of Guadalcanal was a major World War II campaign in the Pacific where Allied forces fought to halt Japanese expansion and secure strategic control of the Solomon Islands.
-
C.
Battle of Midway
The Battle of Midway was a pivotal 1942 naval engagement in the Pacific Theater where the United States decisively defeated Japan’s carrier fleet, marking a major turning point in World War II.
-
D.
Battle of the Bulge
The Battle of the Bulge was a major German offensive in the winter of 1944–1945 on the Western Front, notable as the last significant Nazi counterattack and one of the bloodiest battles fought by U.S. forces in World War II.
-
E.
D-Day
D-Day was the massive Allied amphibious invasion of Nazi-occupied France on June 6, 1944, that marked a decisive turning point in World War II in Western Europe.
- F. None of above. chosen
Statements (47)
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: Battle of Iwo Jima Description of subject: The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
Referenced by (99)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Iwo Jima campaign
this entity surface form:
Iwo Jima campaign
this entity surface form:
Invasion of Iwo Jima
this entity surface form:
Iwo Jima operations
this entity surface form:
seizure of Mount Suribachi
this entity surface form:
World War II Battle of Iwo Jima
this entity surface form:
Iwo Jima World War II battle
subject surface form:
Raising the Flag on Iwo Jima
subject surface form:
USS West Virginia
this entity surface form:
Iwo Jima Campaign
this entity surface form:
Iwo Jima operation
subject surface form:
USS Tennessee
this entity surface form:
Invasion of Iwo Jima
this entity surface form:
Iwo Jima campaign
this entity surface form:
Iwo Jima campaign
subject surface form:
2nd Battalion, 4th Marines
subject surface form:
USS Enterprise (CV-6)
this entity surface form:
Iwo Jima campaign
this entity surface form:
Iwo Jima operation
subject surface form:
4th Marine Division
this entity surface form:
Iwo Jima campaign