The big leap forward: 10 years since the EU's largest ever enlargement 


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To celebrate the ten-year anniversary of the EU's largest ever expansion, we republish our infographic on enlargement, from the first new members in the early 1970s to the latest one.

Ten years ago today the EU took a giant step forward when it welcomed ten new member states. The EU has always been about overcoming Europe's long-standing divisions and enlargement has been a way to unite countries.


Click on the tabs to learn more about the enlargement process, the countries involved and the process itself.