When did Poland join the European Union?
At midnight on 1 May 2004, Poland became a member of the European Union. The accession, the legal basis for Poland’s membership in the EU, took place by virtue of the Accession Treaty signed on 16 April 2003 in Athens, Greece, and was the result of long-term efforts and actions of many governments.
Stages of Poland's integration with the European Union
The process of Poland’s integration began in Athens on April 8 1994, when Poland applied for membership in the European Union. The Polish application was confirmed by all member states at a conference in Essen on December 9-10, 1994.
The Accession Treaty was subject to approval and adoption by an absolute majority of votes by the European Parliament (9 April 2003) and unanimously by the Council of the European Union (14 April 2003).
The next stage was its ratification by all member states in accordance with the constitutional requirements applicable in each country (except Ireland). The Treaty entered into force after the end of the EU ratification procedure. In Poland, the process of its adoption took the form of a nationwide referendum on June 7-8, 2003. Polish citizens answered the following question: ‘Do you agree to the accession of the Republic of Poland to the European Union?’
According to the official results of the National Electoral Commission (PKW), 58.85% of those eligible to vote (i.e. 17,586,215 people) out of 29,868,474 went to the polls, 77.45% of them (i.e. 13,516,612) answered ‘yes’ to the question posed. 22.55% of them (i.e. 3,936,012) answered ‘no’. There were also 126,194 invalid votes cast.
Which countries joined the European Union in 2004?
Along with Poland, the following countries also joined the European Union in May 2004: Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Slovakia. and Slovenia. It was the biggest enlargement in the history of the EU.
EU membership influences the economic development of Poland through EU regulations, foreign trade, transfers from the EU budget, foreign direct investment, and free movement of people.