January 2007, Bulgaria and Romania became member states of the European Union (EU) in the fifth wave of EU enlargement. Romania was the first country of post-communist...

The 1995 enlargement of the European Union saw Austria, Finland, and Sweden accede to the European Union (EU). This was the EU's fourth enlargement and...

According to the Maastricht Treaty, each current member state and the European Parliament must agree to any enlargement. The process of enlargement is sometimes...

The largest enlargement of the European Union (EU), in terms of number of states and population, took place on 1 May 2004. The simultaneous accessions...

The most recent enlargement of the European Union saw Croatia become the European Union's 28th member state on 1 July 2013. The country applied for EU...

enlargement since the foundation of the European Union as the European Economic Community by the Inner Six states in 1958 brought total membership of...

The 1981 enlargement of the European Communities was the second enlargement of what is now the European Union, then the European Communities (EC). Greece...

The 1973 enlargement of the European Communities was the first enlargement of the European Communities (EC), now the European Union (EU). Denmark, Ireland...

government. Potential enlargement of the European Union is governed by Article 49 of the Maastricht Treaty. If the UK applied to rejoin the EU, it would need...

The European Union (EU) is a political and economic union of 27 member states that are party to the EU's founding treaties, and thereby subject to the...