Constitution Memorial Day
E154497
Constitution Memorial Day is a Japanese national holiday observed on May 3 to commemorate the promulgation of Japan’s postwar constitution and reflect on democracy and government.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Constitution Memorial Day canonical | 4 |
| Constitution Day (May 3) | 1 |
| 憲法記念日 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1334513 — 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: Constitution Memorial Day Context triple: [Showa Day, relatedHoliday, Constitution Memorial Day]
-
A.
National Foundation Day
National Foundation Day is a Japanese public holiday celebrated annually on February 11 to commemorate the legendary founding of the nation and the ascension of its first emperor.
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B.
Constitution Day
Constitution Day is Norway’s principal national holiday, celebrated on May 17 to commemorate the signing of its constitution in 1814 with parades, traditional dress, and public festivities.
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C.
Constitution Day
Constitution Day is Denmark’s annual observance on June 5th commemorating the signing of its democratic constitution and the establishment of constitutional monarchy.
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D.
Showa Day
Showa Day is a Japanese national holiday on April 29 that honors the reign and legacy of Emperor Showa (Hirohito) and encourages reflection on Japan’s history during his era.
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E.
Hiroshima Peace Memorial Day
Hiroshima Peace Memorial Day is an annual observance in Japan dedicated to remembering the victims of the 1945 atomic bombing of Hiroshima and promoting peace and nuclear disarmament.
- 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: Constitution Memorial Day Target entity description: Constitution Memorial Day is a Japanese national holiday observed on May 3 to commemorate the promulgation of Japan’s postwar constitution and reflect on democracy and government.
-
A.
National Foundation Day
National Foundation Day is a Japanese public holiday celebrated annually on February 11 to commemorate the legendary founding of the nation and the ascension of its first emperor.
-
B.
Constitution Day
Constitution Day is Norway’s principal national holiday, celebrated on May 17 to commemorate the signing of its constitution in 1814 with parades, traditional dress, and public festivities.
-
C.
Constitution Day
Constitution Day is Denmark’s annual observance on June 5th commemorating the signing of its democratic constitution and the establishment of constitutional monarchy.
-
D.
Showa Day
Showa Day is a Japanese national holiday on April 29 that honors the reign and legacy of Emperor Showa (Hirohito) and encourages reflection on Japan’s history during his era.
-
E.
Hiroshima Peace Memorial Day
Hiroshima Peace Memorial Day is an annual observance in Japan dedicated to remembering the victims of the 1945 atomic bombing of Hiroshima and promoting peace and nuclear disarmament.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese national holiday
ⓘ
public holiday ⓘ |
| alsoKnownAs |
Kenpō Kinenbi
ⓘ
Constitution Memorial Day ⓘ
surface form:
憲法記念日
|
| commemorates |
Japan’s postwar constitution
ⓘ
promulgation of the Constitution of Japan ⓘ |
| country | Japan ⓘ |
| dayInMonth | 3 ⓘ |
| follows | Showa Day ⓘ |
| frequency | annual ⓘ |
| governmentStatus | national holiday ⓘ |
| inception | 1948 ⓘ |
| language | Japanese ⓘ |
| legalBasis |
Act on National Holidays and related cabinet orders
ⓘ
surface form:
Act on National Holidays of Japan
|
| month | May ⓘ |
| observanceType | secular holiday ⓘ |
| observedBy | citizens of Japan ⓘ |
| observedOn | May 3 ⓘ |
| partOf | Golden Week ⓘ |
| precedes | Greenery Day ⓘ |
| purpose |
to reflect on democracy
ⓘ
to reflect on government ⓘ |
| relatedTo |
Constitution of Japan
ⓘ
Showa Constitution promulgation ⓘ |
| theme |
constitutional government
ⓘ
democracy ⓘ peace ⓘ |
| typicalActivities |
public lectures on democracy
ⓘ
reading and discussion of the Constitution ⓘ visits to the National Diet Building ⓘ |
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: Constitution Memorial Day Description of subject: Constitution Memorial Day is a Japanese national holiday observed on May 3 to commemorate the promulgation of Japan’s postwar constitution and reflect on democracy and government.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Constitution Day (May 3)
this entity surface form:
憲法記念日