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
International status and usage of the euro would replace the US dollar with the euro as its official currency for the purposes of international trading. On 1 December 2002, North Korea did the same. (Its internal currency, the wŏn, is not convertible and thus cannot be used to purchase foreign goods. The euro also enjoys popularity domestically, especially among elites and resident foreigners.) Syria followed suit in 2006. In 2000, President of Iraq Saddam Hussein began the sale of his country's oil denominated in euros rather than US dollars since the majority of Iraqi oil trade was with the EU, India and China rather than the United