A referendum on joining the European Union was held in Slovakia on 16 and 17 May 2003.[1] It was approved by 93.7% of those voting, and Slovakia subsequently joined the EU on 1 May 2004. It remains the only referendum in the country's history to have not failed due to insufficient voter turnout.
2003 Slovak European Union membership referendum
16 and 17 May 2003
Do you agree with the Slovak Republic becoming a member state of the European Union?