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
Acts of Parliament of the United Kingdom relating to the European Communities and the European Union European Union and also gave legal effect to European Union Law (then Community law) which came into effect on 1 January 1973, the day the UK officially joined. This act incorporated the Single European Act into the 1972 Act. This act incorporated the Maastricht Treaty into the 1972 Act which created the European Union. This act incorporated the Amsterdam Treaty into the 1972 Act. This act incorporated the Nice Treaty into the 1972 Act. This act incorporated the Treaty of Lisbon into the 1972 Act. These acts also amend the 1972 Act. This act legislated for the holding of the