Brussels, 17/07/2009 (Agence Europe) - With Slovenia joining the euro on 1 January 2009, the single European currency is now the official currency of 16 EU member states. When it was set up in 1999, the euro became the official currency of three tiny European states that are not members of the EU, namely Monaco, San Marino and Vatican City. Ten years on, the European Commission has re-examined the monetary deals signed in 1999 in order to ensure legal continuity to the agreements between the...