Act of Union between Denmark and Iceland
E915270
The Act of Union between Denmark and Iceland was the 1918 agreement that recognized Iceland as a sovereign state in personal union with the Danish crown, defining their political relationship until Iceland became a republic in 1944.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Act of Union between Denmark and Iceland canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11281024 — 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: Act of Union between Denmark and Iceland Context triple: [Constitution of Iceland, replaced, Act of Union between Denmark and Iceland]
-
A.
Sweden–Norway union
The Sweden–Norway union was a 19th-century political union in which the kingdoms of Sweden and Norway shared a common monarch and foreign policy while retaining separate domestic governments.
-
B.
Kalmar Union
The Kalmar Union was a late medieval political union that united the kingdoms of Denmark, Norway, and Sweden (including their overseas territories) under a single monarch from 1397 to the early 16th century.
-
C.
Denmark–Sweden maritime agreements
The Denmark–Sweden maritime agreements are bilateral treaties that define and regulate the maritime boundaries, navigation rights, and jurisdictional responsibilities between Denmark and Sweden in shared waters such as the Kattegat.
-
D.
Icelandic Commonwealth
The Icelandic Commonwealth was a medieval, stateless republic in Iceland (c. 930–1262) governed by a unique system of chieftaincies and the Althing, one of the world’s oldest parliaments.
-
E.
Greenland Home Rule Act
The Greenland Home Rule Act is the Danish law that granted Greenland extensive self-government and autonomy over its internal affairs while remaining within the Kingdom of Denmark.
- 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: Act of Union between Denmark and Iceland Target entity description: The Act of Union between Denmark and Iceland was the 1918 agreement that recognized Iceland as a sovereign state in personal union with the Danish crown, defining their political relationship until Iceland became a republic in 1944.
-
A.
Sweden–Norway union
The Sweden–Norway union was a 19th-century political union in which the kingdoms of Sweden and Norway shared a common monarch and foreign policy while retaining separate domestic governments.
-
B.
Kalmar Union
The Kalmar Union was a late medieval political union that united the kingdoms of Denmark, Norway, and Sweden (including their overseas territories) under a single monarch from 1397 to the early 16th century.
-
C.
Denmark–Sweden maritime agreements
The Denmark–Sweden maritime agreements are bilateral treaties that define and regulate the maritime boundaries, navigation rights, and jurisdictional responsibilities between Denmark and Sweden in shared waters such as the Kattegat.
-
D.
Icelandic Commonwealth
The Icelandic Commonwealth was a medieval, stateless republic in Iceland (c. 930–1262) governed by a unique system of chieftaincies and the Althing, one of the world’s oldest parliaments.
-
E.
Greenland Home Rule Act
The Greenland Home Rule Act is the Danish law that granted Greenland extensive self-government and autonomy over its internal affairs while remaining within the Kingdom of Denmark.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
bilateral agreement
ⓘ
international treaty ⓘ |
| appliesToTerritory |
Iceland
NERFINISHED
ⓘ
Kingdom of Denmark NERFINISHED ⓘ |
| cameIntoForce | 1918-12-01 ⓘ |
| category |
1918 in international relations
ⓘ
Treaties of Denmark NERFINISHED ⓘ Treaties of Iceland ⓘ |
| countryInvolved |
Iceland
NERFINISHED
ⓘ
Kingdom of Denmark NERFINISHED ⓘ |
| dateSigned | 1918-12-01 ⓘ |
| defined | political relationship between Denmark and Iceland ⓘ |
| endCause | proclamation of the Republic of Iceland ⓘ |
| established | personal union with the Danish crown ⓘ |
| followed | Icelandic constitutional developments of the 19th and early 20th centuries ⓘ |
| grantedStatusTo | Iceland as a sovereign state ⓘ |
| headOfStateRetained | Danish monarch ⓘ |
| historicalPeriod | World War I era NERFINISHED ⓘ |
| language |
Danish
ⓘ
Icelandic ⓘ |
| legalEffect |
retention of common foreign policy under Danish crown
ⓘ
separation of internal affairs of Iceland from Denmark ⓘ |
| partOf | history of Iceland–Denmark relations ⓘ |
| precededBy | Iceland as a Danish dependency ⓘ |
| recognized | Icelandic sovereignty ⓘ |
| relatedEvent | establishment of the Kingdom of Iceland ⓘ |
| replacedBy | Republic of Iceland constitution of 1944 NERFINISHED ⓘ |
| subjectOf | Danish–Icelandic political relations ⓘ |
| typeOfUnion | personal union ⓘ |
| validUntil | 1944-06-17 ⓘ |
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: Act of Union between Denmark and Iceland Description of subject: The Act of Union between Denmark and Iceland was the 1918 agreement that recognized Iceland as a sovereign state in personal union with the Danish crown, defining their political relationship until Iceland became a republic in 1944.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.