Hangul Day
E125425
Hangul Day is a South Korean national holiday that celebrates the creation and proclamation of the Korean alphabet, Hangul, by King Sejong the Great in the 15th century.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Chosŏn'gŭl Day | 1 |
| Hangeul Day | 1 |
| Hangeulnal | 1 |
| Hangul Day canonical | 1 |
| 한글날 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1104425 — 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: Hangul Day Context triple: [Hangul, commemoratedOn, Hangul Day]
-
A.
Aegukga
Aegukga is the national anthem of South Korea, expressing patriotic devotion and love for the country.
-
B.
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.
-
C.
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.
-
D.
Korea Exchange
Korea Exchange is South Korea’s main securities and derivatives marketplace, serving as the country’s primary stock exchange for major companies such as Samsung.
-
E.
Busan Sea Festival
The Busan Sea Festival is a major annual summer event in Busan, South Korea, featuring beachside concerts, water sports, cultural performances, and various marine-themed activities along the city’s coastline.
- 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: Hangul Day Target entity description: Hangul Day is a South Korean national holiday that celebrates the creation and proclamation of the Korean alphabet, Hangul, by King Sejong the Great in the 15th century.
-
A.
Aegukga
Aegukga is the national anthem of South Korea, expressing patriotic devotion and love for the country.
-
B.
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.
-
C.
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.
-
D.
Korea Exchange
Korea Exchange is South Korea’s main securities and derivatives marketplace, serving as the country’s primary stock exchange for major companies such as Samsung.
-
E.
Busan Sea Festival
The Busan Sea Festival is a major annual summer event in Busan, South Korea, featuring beachside concerts, water sports, cultural performances, and various marine-themed activities along the city’s coastline.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
South Korean public holiday
ⓘ
commemorative day ⓘ national holiday ⓘ |
| alsoKnownAs |
Hangeul Day
ⓘ
linked to:
Hangul Day
Hangeulnal ⓘ
linked to:
Hangul Day
Hangulnal ⓘ
linked to:
Hangul
|
| associatedWith |
National Hangeul Museum
ⓘ
Sejong the Great Memorial Hall ⓘ |
| celebrates |
creation of Hangul
ⓘ
proclamation of Hangul ⓘ |
| celebrationFocus |
Korean literacy
ⓘ
preservation of Korean script ⓘ |
| commemoratesEvent | promulgation of Hunminjeongeum ⓘ |
| country | South Korea ⓘ |
| features |
academic events
ⓘ
official ceremonies ⓘ public campaigns about correct Korean usage ⓘ |
| firstIntroduced | 1926 ⓘ |
| historicalContext | invention of Hangul in the 15th century ⓘ |
| honors |
King Sejong the Great
ⓘ
linked to:
Sejong the Great
the Korean alphabet ⓘ |
| isPartOf |
Korean language-related observances
ⓘ
South Korean cultural observances ⓘ |
| languageOfName | Korean ⓘ |
| legalStatus | national holiday in South Korea ⓘ |
| legalStatusChange | restored as national holiday in 2013 ⓘ |
| nativeName |
한글날
ⓘ
linked to:
Hangul Day
|
| NorthKoreaName |
Chosŏn'gŭl Day
ⓘ
linked to:
Hangul Day
조선글날 ⓘ |
| NorthKoreaObservedOn | January 15 ⓘ |
| observedIn |
North Korea
ⓘ
South Korea ⓘ |
| observedOn | October 9 ⓘ |
| originalName |
Gagya Day
ⓘ
가갸날 ⓘ |
| purpose |
to commemorate the invention of the Korean alphabet
ⓘ
to promote the use of Hangul ⓘ to raise awareness of Korean linguistic heritage ⓘ |
| reinstatedAsPublicHoliday | 2013 ⓘ |
| relatedTo |
Hangul
ⓘ
Joseon dynasty ⓘ
linked to:
Joseon
King Sejong the Great ⓘ
linked to:
Sejong the Great
Korean language ⓘ
linked to:
Korean
|
| removedFromPublicHolidayListIn | 1991 ⓘ |
| scriptOfName | Hangul ⓘ |
| typeOfCelebration | cultural celebration ⓘ |
| wasPublicHolidayUntil | 1990 ⓘ |
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: Hangul Day Description of subject: Hangul Day is a South Korean national holiday that celebrates the creation and proclamation of the Korean alphabet, Hangul, by King Sejong the Great in the 15th century.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hangul Day
linked to: Hangul Day
linked to: Hangul Day
linked to: Hangul Day