Timeline European Union By Elena Espadiña Lorenzo 1945 End of world war 2 1947 Cold War 1950 France propose a reconciliation to Germany 1951 The six founding states 1957 Treaty of Rome 1962 Cuban missile crisis 1967 Merger Treaty 1967 New headquarters of the European Commission 1973 First enlargement of the EU 1974 Turkish intervention in Cyprus 1981 Accession of Greece to the European Communities 1985 Greenland leaves the European Communities 1986 Portugal and Spain join the community 1991 USSR colapses 1992 Maastricht Treaty 1997 Treaty of Amsterdam 1998 Set up European Central Bank 1999 Euro officially 2000 Treaty of Nice 2004 Constitutional Treaty 2007 Romania and Bulgaria une to UE 2009 Eurozone debt crisis 2013 Croatia joins European Union 2016 Brexit. The UK exits the EU on January 31,2020 2020 United Kingdom ceases to belong to the EU 2021 Brexit: a new start for the UK and the EU