The European Union was formally established (with the Maastricht Treaty) on November 1,1993. However, January 1,2002, is a day that many people remember. It was also the start of a new era for the 304 million people living in 12 European countries. The European Union currently has 27 member state, and new members are expected to join Citizens of member countries can travel,freely,live,study,and work in any of the member countries.