Treaty of Accession 2003 (Poland to the EU)

E687297

European Union accession treaty international agreement treaty

The Treaty of Accession 2003 (Poland to the EU) is the international agreement under which Poland formally joined the European Union as part of the bloc’s 2004 enlargement.

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All labels observed (3)

Label	Occurrences
Poland EU Accession Treaty 2003	1
Treaty concerning the accession of the Republic of Poland to the European Union	1
Treaty of Accession 2003 (Poland to the EU) canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T7772010 — 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: Treaty of Accession 2003 (Poland to the EU)
Context triple: [Aleksander Kwaśniewski, signed, Treaty of Accession 2003 (Poland to the EU)]

A. Eastern Partnership
The Eastern Partnership is a joint policy initiative of the European Union aimed at strengthening political association, economic integration, and sectoral cooperation with six Eastern European and South Caucasus partner countries.
B. Treaty of Nice
The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
C. Treaty of Amsterdam
The Treaty of Amsterdam is a 1997 agreement that amended the founding treaties of the European Union, enhancing the powers of EU institutions, expanding cooperation in justice and home affairs, and preparing the Union for future enlargement.
D. Schengen Agreement (accession of Portugal)
The Schengen Agreement (accession of Portugal) refers to Portugal’s formal entry into the Schengen Area, integrating the country into the European system of passport-free travel and common external border controls.
E. Treaty of Lisbon
The Treaty of Lisbon is a 2007 agreement that reformed the European Union’s institutional structure and decision-making processes, enhancing its efficiency, democratic legitimacy, and coherence in external action.
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: Treaty of Accession 2003 (Poland to the EU)
Target entity description: The Treaty of Accession 2003 (Poland to the EU) is the international agreement under which Poland formally joined the European Union as part of the bloc’s 2004 enlargement.

A. Eastern Partnership
The Eastern Partnership is a joint policy initiative of the European Union aimed at strengthening political association, economic integration, and sectoral cooperation with six Eastern European and South Caucasus partner countries.
B. Treaty of Nice
The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
C. Treaty of Amsterdam
The Treaty of Amsterdam is a 1997 agreement that amended the founding treaties of the European Union, enhancing the powers of EU institutions, expanding cooperation in justice and home affairs, and preparing the Union for future enlargement.
D. Schengen Agreement (accession of Portugal)
The Schengen Agreement (accession of Portugal) refers to Portugal’s formal entry into the Schengen Area, integrating the country into the European system of passport-free travel and common external border controls.
E. Treaty of Lisbon
The Treaty of Lisbon is a 2007 agreement that reformed the European Union’s institutional structure and decision-making processes, enhancing its efficiency, democratic legitimacy, and coherence in external action.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	European Union accession treaty ⓘ international agreement ⓘ treaty ⓘ
accedingState	Republic of Poland ⓘ
amends	Treaty establishing the European Atomic Energy Community ⓘ linked to: Euratom Treaty Treaty establishing the European Community ⓘ linked to: Treaty of Rome Treaty on European Union ⓘ
appliesFrom	2004-05-01 ⓘ
category	2003 in Poland ⓘ 2003 in the European Union ⓘ Treaties of accession to the European Union ⓘ
countryAcceding	Poland ⓘ
depositary	Government of the Italian Republic ⓘ linked to: Government of Italy
enteredIntoForce	2004-05-01 ⓘ
establishes	allocation of seats for Poland in the European Parliament ⓘ financial contributions of Poland to the EU budget ⓘ rules on free movement of workers from Poland to existing EU member states ⓘ transitional arrangements for Poland in the EU internal market ⓘ weighting of votes for Poland in the Council of the European Union ⓘ
follows	accession negotiations between Poland and the European Union ⓘ
grants	Poland participation in the Common Agricultural Policy ⓘ Poland participation in the EU cohesion policy ⓘ
implementedBy	Act of ratification adopted by the Parliament of Poland ⓘ
language	English ⓘ French ⓘ German ⓘ Polish ⓘ
legalBasisFor	membership of Poland in the European Union ⓘ
legalStatus	binding international treaty ⓘ
officialName	Treaty concerning the accession of the Republic of Poland to the European Union ⓘ linked to: Treaty of Accession 2003 (Poland to the EU)
partOf	2004 enlargement of the European Union ⓘ linked to: European Union enlargement
party	European Atomic Energy Community ⓘ European Community ⓘ linked to: European Economic Community European Union ⓘ Republic of Poland ⓘ
region	Europe ⓘ
relatedReferendum	2003 Polish European Union membership referendum ⓘ
requires	ratification by Poland ⓘ ratification by existing EU member states ⓘ
resultedIn	accession of Poland to the European Union ⓘ
shortName	Poland EU Accession Treaty 2003 ⓘ linked to: Treaty of Accession 2003 (Poland to the EU)
signedAt	Athens ⓘ
signedBy	representatives of the Republic of Poland ⓘ representatives of the member states of the European Union ⓘ
signedDuring	Greek Presidency of the Council of the European Union ⓘ linked to: presidency of the Council of the European Union
signedOn	2003-04-16 ⓘ
subjectMatter	adjustments to the Treaties on which the European Union is founded ⓘ conditions of accession of Poland to the European Union ⓘ

How these facts were elicited

Referenced by (3)

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

Aleksander Kwaśniewski → signed → Treaty of Accession 2003 (Poland to the EU) ⓘ

Treaty of Accession 2003 (Poland to the EU) → officialName → Treaty concerning the accession of the Republic of Poland to the European Union ⓘ

linked to: Treaty of Accession 2003 (Poland to the EU)

Treaty of Accession 2003 (Poland to the EU) → shortName → Poland EU Accession Treaty 2003 ⓘ