National Foundation Day
E6279
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| National Foundation Day canonical | 6 |
| 建国記念の日 | 2 |
| Kenkoku Kinen no Hi | 1 |
| National Foundation Day (Japan) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T51423 — 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: National Foundation Day Context triple: [Hinomaru, displayOccasion, National Foundation Day]
-
A.
King's Day
King's Day is a nationwide Dutch holiday celebrated each April with street festivals, orange-themed festivities, and open-air markets honoring the birthday of the reigning monarch.
-
B.
Republic Day
Republic Day is a major Indian national holiday celebrated annually on January 26 to commemorate the adoption of the Constitution of India and the country's transition to a republic in 1950.
-
C.
Gandhi Jayanti
Gandhi Jayanti is an annual Indian national holiday observed on October 2nd to honor the birth and legacy of Mahatma Gandhi, celebrating his role in the country’s nonviolent struggle for independence.
-
D.
Kimigayo
Kimigayo is the national anthem of Japan, known for its extremely short length and lyrics derived from a Heian-period waka poem expressing wishes for the emperor’s enduring reign.
-
E.
International Workers’ Day
International Workers’ Day is an annual labor and left-wing holiday observed on May 1 in many countries to honor workers’ struggles and achievements, particularly the fight for the eight-hour workday.
- 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: National Foundation Day Target entity description: 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.
-
A.
King's Day
King's Day is a nationwide Dutch holiday celebrated each April with street festivals, orange-themed festivities, and open-air markets honoring the birthday of the reigning monarch.
-
B.
Republic Day
Republic Day is a major Indian national holiday celebrated annually on January 26 to commemorate the adoption of the Constitution of India and the country's transition to a republic in 1950.
-
C.
Gandhi Jayanti
Gandhi Jayanti is an annual Indian national holiday observed on October 2nd to honor the birth and legacy of Mahatma Gandhi, celebrating his role in the country’s nonviolent struggle for independence.
-
D.
Kimigayo
Kimigayo is the national anthem of Japan, known for its extremely short length and lyrics derived from a Heian-period waka poem expressing wishes for the emperor’s enduring reign.
-
E.
International Workers’ Day
International Workers’ Day is an annual labor and left-wing holiday observed on May 1 in many countries to honor workers’ struggles and achievements, particularly the fight for the eight-hour workday.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese public holiday
ⓘ
public holiday ⓘ |
| associatedWith | Emperor Jimmu ⓘ |
| basedOn | legendary founding of Japan ⓘ |
| calendarSystem |
Gregorian calendar
ⓘ
linked to:
Gregorian calendar (Western churches)
|
| celebratedIn | Japan ⓘ |
| commemorates |
ascension of Emperor Jimmu
ⓘ
founding of the nation of Japan ⓘ |
| country | Japan ⓘ |
| dayOfYear | 11 ⓘ |
| formerName | Kigensetsu ⓘ |
| frequency | annual ⓘ |
| hasCulturalSignificance | symbol of national unity in Japan ⓘ |
| hasLanguage | Japanese ⓘ |
| hasTopic |
Japanese history
ⓘ
Japanese nationalism ⓘ |
| legalStatus | national holiday ⓘ |
| monthOfYear | February ⓘ |
| nativeLabel |
建国記念の日
ⓘ
linked to:
National Foundation Day
|
| observanceType | secular holiday with historical significance ⓘ |
| observedBy | citizens of Japan ⓘ |
| observedOn | February 11 ⓘ |
| officialName |
Kenkoku Kinen no Hi
ⓘ
linked to:
National Foundation Day
|
| partOf | Japanese national holidays ⓘ |
| purpose |
commemorate the ascension of the first emperor of Japan
ⓘ
commemorate the founding of Japan ⓘ |
| regulatedBy | Japanese law ⓘ |
| replaced | Kigensetsu ⓘ |
| startTime | February 11, 1967 ⓘ |
| typicalActivities |
flag raising ceremonies
ⓘ
patriotic events ⓘ reflection on the founding of the nation ⓘ |
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: National Foundation Day Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: National Foundation Day
linked to: National Foundation Day
linked to: National Foundation Day
linked to: National Foundation Day