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DUBLIN, IRELAND - APRIL 30: Flags of the European Union countries are gathered together ahead of the EU enlargement ceremony April 30, 2004 in Dublin, Ireland. Ten new nations, Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia and Slovenia will tomorrow become members of the EU, in the biggest expansion of the Union since it began. (Photo by Ian Waldie/Getty Images)

DUBLIN, IRELAND - APRIL 30:  Flags of the European Union countries are gathered together ahead of the EU enlargement ceremony April 30, 2004 in Dublin, Ireland. Ten new nations, Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia and Slovenia will tomorrow become members of the EU, in the biggest expansion of the Union since it began. (Photo by Ian Waldie/Getty Images)