2007 enlargement of the European Union

  EU member states in 2007
  New EU member states admitted in 2007
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On 1 January 2007, Bulgaria and Romania became member states of the European Union (EU) in the fifth wave of EU enlargement.[1]

  1. ^ Enlargement, 3 years after Archived 25 June 2009 at the Wayback Machine, Europa (web portal)