Throwback Thursday: Party Like It's 1999 -- The Euro

 In this photo illustration, a one Euro coin lies on Euro currency bills on June 21, 2011 in Berlin, Germany.

For the next installment of our "Party Like It’s 1999" series, The Economist's John Peet joins us to take a look back at the history of the euro, which was adopted by eleven European nations on January 1, 1999.