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 nearly all the member states (except Great Britain and Denmark) use a common currency, 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 nearly all the member states (except Great Britain and Denmark) use a common currency, the [[euro]]. |