"Day of Infamy" speech
E139
The "Day of Infamy" speech is Franklin D. Roosevelt’s historic address to the U.S. Congress on December 8, 1941, calling for a declaration of war on Japan following the attack on Pearl Harbor.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T1862 — 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: "Day of Infamy" speech Context triple: [Franklin D. Roosevelt, famousSpeech, "Day of Infamy" speech]
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A.
Marshall Plan
The Marshall Plan was a massive U.S.-led economic aid program launched after World War II to rebuild and stabilize war-torn European countries and contain the spread of communism.
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B.
Yalta Conference
The Yalta Conference was a pivotal 1945 World War II meeting where the leaders of the United States, the United Kingdom, and the Soviet Union negotiated the postwar reorganization of Europe and the defeat of Nazi Germany.
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C.
World War II
World War II was a global conflict from 1939 to 1945 involving most of the world’s nations, marked by unprecedented destruction, the Holocaust, and the use of atomic weapons, and resulting in a major reshaping of the international order.
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D.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
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E.
President of the United States
The President of the United States is the head of state and government of the country, serving as commander-in-chief of the armed forces and the chief executive responsible for implementing and enforcing federal laws.
- 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: "Day of Infamy" speech Target entity description: The "Day of Infamy" speech is Franklin D. Roosevelt’s historic address to the U.S. Congress on December 8, 1941, calling for a declaration of war on Japan following the attack on Pearl Harbor.
-
A.
Marshall Plan
The Marshall Plan was a massive U.S.-led economic aid program launched after World War II to rebuild and stabilize war-torn European countries and contain the spread of communism.
-
B.
Yalta Conference
The Yalta Conference was a pivotal 1945 World War II meeting where the leaders of the United States, the United Kingdom, and the Soviet Union negotiated the postwar reorganization of Europe and the defeat of Nazi Germany.
-
C.
World War II
World War II was a global conflict from 1939 to 1945 involving most of the world’s nations, marked by unprecedented destruction, the Holocaust, and the use of atomic weapons, and resulting in a major reshaping of the international order.
-
D.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
E.
President of the United States
The President of the United States is the head of state and government of the country, serving as commander-in-chief of the armed forces and the chief executive responsible for implementing and enforcing federal laws.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
political speech
ⓘ
speech ⓘ war address ⓘ |
| alsoKnownAs |
"Day of Infamy" speech
ⓘ
surface form:
Infamy Speech
"Day of Infamy" speech ⓘ
surface form:
Pearl Harbor address to the nation
|
| audience |
American public
ⓘ
United States Congress ⓘ |
| author |
President Franklin D. Roosevelt
ⓘ
surface form:
Franklin D. Roosevelt
|
| broadcastMedium | radio ⓘ |
| broadcastNetwork | U.S. radio networks ⓘ |
| city | Washington, D.C. ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | 1941-12-08 ⓘ |
| dateOfRelatedEvent | 1941-12-07 ⓘ |
| eventFollowed | attack on Pearl Harbor ⓘ |
| governmentBodyAddressed |
United States House of Representatives
ⓘ
United States Senate ⓘ |
| historicalPeriod |
World War II
ⓘ
surface form:
World War II era
|
| language | English ⓘ |
| mentions |
American casualties
ⓘ
American naval and air forces ⓘ Japan ⓘ
surface form:
Empire of Japan
Pacific area ⓘ |
| openingLine | Yesterday, December 7, 1941—a date which will live in infamy— ⓘ |
| place | United States Capitol ⓘ |
| politicalContext | U.S. isolationism before Pearl Harbor ⓘ |
| purpose |
to rally American support for entering World War II
ⓘ
to request a declaration of war on Japan ⓘ |
| relatedCountry |
Japan
ⓘ
United States of America ⓘ |
| relatedDocument |
"Day of Infamy" speech
self-linksurface differs
ⓘ
surface form:
U.S. declaration of war on Japan
|
| relatedEvent |
attack on Pearl Harbor
ⓘ
surface form:
Japanese attack on Pearl Harbor
bombing of U.S. naval and military bases in Hawaii ⓘ |
| relatedPerson |
Cordell Hull
ⓘ
Emperor Hirohito ⓘ President Harry S. Truman ⓘ
surface form:
Harry S. Truman
|
| result |
United States declaration of war on Japan
ⓘ
formal entry of the United States into World War II ⓘ |
| rhetoricalDevice |
appeal to patriotism
ⓘ
framing of attack as unprovoked and treacherous ⓘ moral condemnation of enemy actions ⓘ |
| significance |
one of the most famous speeches in American history
ⓘ
symbol of U.S. entry into World War II ⓘ turning point in U.S. foreign policy ⓘ |
| speaker |
President Franklin D. Roosevelt
ⓘ
surface form:
Franklin D. Roosevelt
|
| topic |
Japanese military aggression in the Pacific
ⓘ
"Day of Infamy" speech self-linksurface differs ⓘ
surface form:
United States declaration of war on Japan
World War II ⓘ attack on Pearl Harbor ⓘ |
| year | 1941 ⓘ |
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: "Day of Infamy" speech Description of subject: The "Day of Infamy" speech is Franklin D. Roosevelt’s historic address to the U.S. Congress on December 8, 1941, calling for a declaration of war on Japan following the attack on Pearl Harbor.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Franklin D. Roosevelt
this entity surface form:
Infamy Speech
this entity surface form:
Pearl Harbor address to the nation
this entity surface form:
United States declaration of war on Japan
this entity surface form:
U.S. declaration of war on Japan
this entity surface form:
1941 State of the Union Address
this entity surface form:
State of the Union Address (1941)