The '''Euro''' is the common [[currency]] in the Eurozone (a group of 13 [[European Union]] states) today. Use of the euro began in January 2002, and 12 nations switched their currency immediately to the euro. It is the counterpart to the dollar in the United States. Countries within the European Union were able to join the Common Currency if they meet 4 criteria (known as the 'convergence criteria'. These were:<br /> | The '''Euro''' is the common [[currency]] in the Eurozone (a group of 13 [[European Union]] states) today. Use of the euro began in January 2002, and 12 nations switched their currency immediately to the euro. It is the counterpart to the dollar in the United States. Countries within the European Union were able to join the Common Currency if they meet 4 criteria (known as the 'convergence criteria'. These were:<br /> |