1972 Accession Treaty

E276511

accession treaty international agreement treaty

The 1972 Accession Treaty is the international agreement by which the United Kingdom formally joined the European Communities, the precursor to the European Union.

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All labels observed (3)

Label	Occurrences
1972 Accession Treaty canonical	3
Treaty concerning the accession of the Kingdom of Denmark, Ireland, the Kingdom of Norway and the United Kingdom of Great Britain and Northern Ireland to the European Economic Community and to the European Atomic Energy Community	1
Treaty of Accession 1972	1

How this entity was disambiguated

This entity first appeared as the object of triple T2548873 — 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: 1972 Accession Treaty
Context triple: [Treaty of Accession 1972 (United Kingdom to the European Communities), shortName, 1972 Accession Treaty]

A. Élysée Treaty
The Élysée Treaty is a landmark 1963 agreement that cemented postwar reconciliation and close political cooperation between France and West Germany.
B. Brussels Treaty of 1965
The Brussels Treaty of 1965, formally known as the Merger Treaty, was an agreement that unified the executive institutions of the European Coal and Steel Community, the European Economic Community, and Euratom into a single set of shared institutions, advancing European integration.
C. Treaty of Rome
The Treaty of Rome is a 1957 international agreement that established the European Economic Community, laying a foundational step toward today’s European Union and its single market.
D. Treaty of Brussels (1975)
The Treaty of Brussels (1975) is a European Community treaty that, among other institutional reforms, established the European Court of Auditors as the external financial watchdog of the Community’s budget.
E. Treaty of Paris (1951)
The Treaty of Paris (1951) was the international agreement that created the European Coal and Steel Community, laying an early foundation for European integration after World War II.
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: 1972 Accession Treaty
Target entity description: The 1972 Accession Treaty is the international agreement by which the United Kingdom formally joined the European Communities, the precursor to the European Union.

A. Élysée Treaty
The Élysée Treaty is a landmark 1963 agreement that cemented postwar reconciliation and close political cooperation between France and West Germany.
B. Brussels Treaty of 1965
The Brussels Treaty of 1965, formally known as the Merger Treaty, was an agreement that unified the executive institutions of the European Coal and Steel Community, the European Economic Community, and Euratom into a single set of shared institutions, advancing European integration.
C. Treaty of Rome
The Treaty of Rome is a 1957 international agreement that established the European Economic Community, laying a foundational step toward today’s European Union and its single market.
D. Treaty of Brussels (1975)
The Treaty of Brussels (1975) is a European Community treaty that, among other institutional reforms, established the European Court of Auditors as the external financial watchdog of the Community’s budget.
E. Treaty of Paris (1951)
The Treaty of Paris (1951) was the international agreement that created the European Coal and Steel Community, laying an early foundation for European integration after World War II.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	accession treaty ⓘ international agreement ⓘ treaty ⓘ
appliesTo	European Atomic Energy Community legal order ⓘ European Economic Community legal order ⓘ
category	1972 in international relations ⓘ Treaties of accession to the European Communities ⓘ
countryInvolved	Ireland ⓘ Denmark ⓘ surface form: Kingdom of Denmark Kingdom of Norway ⓘ United Kingdom ⓘ surface form: United Kingdom of Great Britain and Northern Ireland
dateSigned	1972-01-22 ⓘ
enteredIntoForce	1973-01-01 ⓘ
followedBy	1981 Accession Treaty ⓘ
hasConsequence	expansion of the European Communities from six to nine members ⓘ
implementedBy	European Communities Act 1972 ⓘ surface form: European Communities Act 1972 (United Kingdom)
language	Danish ⓘ Dutch ⓘ English ⓘ French ⓘ German ⓘ Irish ⓘ Italian ⓘ Norwegian ⓘ
legalBasisFor	Denmark membership of the European Communities ⓘ Ireland membership of the European Communities ⓘ United Kingdom membership of the European Communities ⓘ
note	Norway did not become a member because its accession was rejected in a referendum ⓘ
officialName	1972 Accession Treaty self-linksurface differs ⓘ surface form: Treaty concerning the accession of the Kingdom of Denmark, Ireland, the Kingdom of Norway and the United Kingdom of Great Britain and Northern Ireland to the European Economic Community and to the European Atomic Energy Community
organizationInvolved	European Atomic Energy Community ⓘ European Economic Community ⓘ surface form: European Communities European Economic Community ⓘ
placeSigned	Brussels, Belgium ⓘ surface form: Brussels
precededBy	founding treaties of the European Communities ⓘ
relatedTo	European Union enlargement ⓘ surface form: European Communities enlargement of 1973 European Union ⓘ
resultedIn	accession of Denmark to the European Communities ⓘ accession of Ireland to the European Communities ⓘ accession of the United Kingdom to the European Communities ⓘ planned accession of Norway to the European Communities ⓘ
shortName	1972 Accession Treaty self-link ⓘ 1972 Accession Treaty self-linksurface differs ⓘ surface form: Treaty of Accession 1972
signedBy	Republic of Ireland ⓘ surface form: Ireland Denmark ⓘ surface form: Kingdom of Denmark Kingdom of Norway ⓘ European Atomic Energy Community ⓘ surface form: Member States of the European Atomic Energy Community Member States of the European Union ⓘ surface form: Member States of the European Economic Community United Kingdom ⓘ surface form: United Kingdom of Great Britain and Northern Ireland
subject	European integration ⓘ accession to the European Communities ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Treaty of Accession 1972 (United Kingdom to the European Communities) → shortName → 1972 Accession Treaty ⓘ

1972 Accession Treaty → officialName → 1972 Accession Treaty self-linksurface differs ⓘ

this entity surface form: Treaty concerning the accession of the Kingdom of Denmark, Ireland, the Kingdom of Norway and the United Kingdom of Great Britain and Northern Ireland to the European Economic Community and to the European Atomic Energy Community

1972 Accession Treaty → shortName → 1972 Accession Treaty self-link ⓘ

1972 Accession Treaty → shortName → 1972 Accession Treaty self-linksurface differs ⓘ

this entity surface form: Treaty of Accession 1972

First Enlargement Treaty → shortName → 1972 Accession Treaty ⓘ

All labels observed (3)

How this entity was disambiguated Show

Statements (50)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited