27/01/17
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Author(s): European Commission. Directorate General for Economic and Financial Affairs
Five years of an enlarged EU. Economic achievements and challenges 
(5 MB) 
In this report, the Commission reviews EU enlargement in 2004/2007, concluding it was overall a success for the EU and its citizens.
The EU added 12 new countries from central/eastern Europe and the Mediterranean – in 2004 (Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia and Slovenia) and then again in 2007 (Romania and Bulgaria).
This was the biggest EU enlargement ever and a historic step towards unifying Europe after decades of Cold War division.
Communication COM(2009) 79 final. Five years of an enlarged EU – Economic achievements and challenges.
Article 20 February 2009. Five years of an enlarged EU.
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