Year 2003
31. January 2003

Slovenia completes negotiations with the EU
Slovenia successfully completes negotiations for entry into the EU.
23. March 2003

Referenda on Slovenia's accession to the EU and NATO
Referenda on Slovenia's accession to the EU and NATO take place. 89.64 per cent of voters opt for joining the EU, while 66.08 per cent opt for joining NATO. Electorate turnout is 60.4 per cent.
16. April 2003

Slovenia signs the EU Accession Treaty
The President Janez Drnovšek, the Prime Minister Anton Rop, and the Minister of Foreign Affairs, Dimitrij Rupel, sign the Accession Treaty in Athens.
06. November 2003 - 07. November 2003

CEFTA summit in Slovenia
Government representatives of the Central European Free Trade Agreement signatory countries meet at a CEFTA summit in Brdo pri Kranju.
13. November 2003

Programme of ERM II Entry and Adoption of the Euro
The government adopts a Programme of ERM II Entry and Adoption of the Euro.