The European Union is a legal and economic union of 27 European countries. It began with in 1992 with the [[Maastricht Treaty]]. It is governed by a common legal system and many of its member states use a common [[currency]], the [[euro]]. [[The United Kingdom]], [[Denmark]] and several Eastern block countries such as [[Poland]] do not use the [[euro]]. | The European Union is a legal and economic union of 27 European countries. It began with in 1992 with the [[Maastricht Treaty]]. It is governed by a common legal system and many of its member states use a common [[currency]], the [[euro]]. [[The United Kingdom]], [[Denmark]] and several Eastern block countries such as [[Poland]] do not use the [[euro]]. |