Central and Eastern Europe Soviet Union; the independent states in former Yugoslavia (which were not considered part of the Eastern bloc); and the three Baltic states – Estonia, Latvia, Lithuania (which chose not to join the CIS with the other 12 former republics of the USSR). The CEE countries are further subdivided by their accession status to the European Union (EU): the eight first-wave accession countries that joined the EU on 1 May 2004 (Estonia, Latvia, Lithuania, Czech Republic, Slovakia, Poland, Hungary, and Slovenia), the two second-wave accession countries that joined on 1 January 2007 (Romania and Bulgaria) and the third-wave accession country that
1995 enlargement of the European Union 1995 enlargement of the European Union 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 came into effect on the 1 January of that year. All these states were previous members of the European Free Trade Association (EFTA) and had traditionally been less interested in joining the EU than other European countries. Norway had negotiated to join alongside the other three but following the signing of the treaty, membership was turned down by the Norwegian electorate in the 1994 national referendum. Switzerland also applied