History of the European Union since 2004 the decision on 31 March 2010 to abolish the Western European Union. In 2007, the fifth enlargement completed with the accession of Romania and Bulgaria on 1 January. 53 MEPs joined the Parliament along with two commissioners, for which two new posts were created in the Commission. The post created for the Romanian Commissioner was Multilingualism, which was criticised by some for its narrow scope. Negotiating process with Croatia as an official candidate country had been stalled for 10 months due to Slovenia's blockade of Croatia's EU accession, which was lifted in September 2009 after an agreement. Croatia has since
European Exchange Rate Mechanism II on 28 June 2004; the Cypriot pound, the Latvian lats and the Maltese lira on 2 May 2005; the Slovak koruna on 28 November 2005. These states have all since joined the eurozone, and hence left ERM II: Slovenia (1 January 2007), Cyprus (1 January 2008), Malta (1 January 2008), Slovakia (1 January 2009), Estonia (1 January 2011), Latvia (1 January 2014), and Lithuania (1 January 2015). As of 2016, only the Danish krone participates in ERM II. The currencies of Sweden (the Swedish krona), the three largest countries which joined the European Union on 1 May 2004 (the