Explanation

Euro Currency launched: 1 January 1999

Euro Coins and banknotes launched: 1 January 2002

The euro is the second-largest reserve currency 

The euro is the second-most traded currency in the world 

The euro is the sole currency of 20 EU member states:

1. Austria
2. Belgium
3. Cyprus
4. Estonia
5. Finland
6. France
7. Germany
8. Greece
9. Ireland
10. Italy
11. Latvia
12. Lithuania
13. Luxembourg
14. Malta
15. the Netherlands
16. Portugal
17. Slovakia
18. Slovenia
19. Spain
20. Croatia.