Poland in the European Union
Poland has been a member state of the European Union since 1 May 2004, with the Treaty of Accession 2003 signed on 16 April 2003 in Athens as the legal basis for Poland's accession to the EU. The actual process of integrating Poland into the EU began with Poland's application for membership in Athens on 8 April 1994, and then the confirmation of the application by all member states in Essen from 9–10 December 1994. Poland's integration into the European Union is a dynamic and continuously ongoing process.
President of the European Commission Ursula von der Leyen with Polish Prime Minister Donald Tusk on 15 December 2023
President Alexander Kwaśniewski signs the Treaty of Accession (23 July 2003)
President of the European Commission José Manuel Barroso with President of Poland Lech Kaczyński on 8 November 2007
The Eastern Partnership Summit in Warsaw (29-30 September 2011)
Polish Constitutional Tribunal crisis (2015 – ongoing)
The Polish Constitutional Tribunal crisis has been an ongoing political conflict in Poland starting in the second half of 2015 over the appointment of five of the 15 judges of the Constitutional Tribunal.
A Committee for the Defence of Democracy protest in Warsaw against Poland's new government, 12 December 2015
The Constitutional Court in Warsaw
A pro-government Law and Justice rally in support of the new Constitutional Tribunal legislation, 13 December 2015
A demonstration opposing the new Constitutional Tribunal legislation, organized by the Left Together (Razem), Warsaw, 3 December 2015
