Euro in Madrid. The euro was introduced to world financial markets as an accounting currency on 1 January 1999, replacing the former European Currency Unit (ECU) at a ratio of 1:1 (US$1.1743). Physical euro coins and banknotes entered into circulation on 1 January 2002, making it the day-to-day operating currency of its original members, and by March 2002 it had completely replaced the former currencies. While the euro dropped subsequently to US$0.83 within two years (26 October 2000), it has traded above the U.S. dollar since the end of 2002, peaking at US$1.60 on 18 July 2008. In late 2009, the
European Currency Unit A common theme on the coins was usually celebrating European unity, such as celebrating membership of the European Union. In 1989, the government of the Netherlands issued a series of ECU coins from ₠2½ to ₠200, which could be spent in shops in The Hague, during the European Capital of Culture festival. Gibraltar issued commemorative coins from 1993 through 1996. European Currency Unit The European Currency Unit (₠ or ECU, ) was a basket of the currencies of the European Community member states, used as the unit of account of the European Community before being replaced by the euro on