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List of Countries of European Union (EU)
| EU Country | EU Accession Date |
|---|
| Austria | January 1, 1995 |
| Belgium | March 25, 1957 |
| Bulgaria | January 1, 2007 |
| Croatia | July 1, 2013 |
| Cyprus | May 1, 2004 |
| Czechia | May 1, 2004 |
| Denmark | January 1, 1973 |
| Estonia | May 1, 2004 |
| Finland | January 1, 1995 |
| France | March 25, 1957 |
| Germany | March 25, 1957 |
| Greece | January 1, 1981 |
| Hungary | May 1, 2004 |
| Ireland | January 1, 1973 |
| Italy | March 25, 1957 |
| Latvia | May 1, 2004 |
| Lithuania | May 1, 2004 |
| Luxembourg | March 25, 1957 |
| Malta | May 1, 2004 |
| Netherlands | March 25, 1957 |
| Poland | May 1, 2004 |
| Portugal | January 1, 1986 |
| Romania | January 1, 2007 |
| Slovakia | May 1, 2004 |
| Slovenia | May 1, 2004 |
| Spain | January 1, 1986 |
| Sweden | January 1, 1995 |
| United Kingdom | January 1, 1973 |