Reserve currency economy, the German Deutsche Mark gained the status of the second most important reserve currency after the US dollar. When the euro was introduced on 1 January 1999, replacing the Mark, French franc and ten other European currencies, it inherited the status of a major reserve currency from the Mark. Since then, its contribution to official reserves has risen continually as banks seek to diversify their reserves, and trade in the eurozone continues to expand. Former U.S. Federal Reserve Chairman Alan Greenspan said in September 2007 that the euro could replace the U.S. dollar as the world's primary reserve currency.
History of the euro official currency. The euro is only used in the government-controlled areas of the Republic, the Sovereign Base Areas of Akrotiri and Dhekelia (under UK jurisdiction, outside the EU) and in the United Nations Buffer Zone in Cyprus. The de facto Turkish Republic of Northern Cyprus continues to use the new Turkish lira as its primary currency and the euro as its secondary currency. Malta replaced the Maltese lira with the euro on 1 January 2008. The aims were officially confirmed on 26 February 2007. On 16 May 2007, the Commissioner for Economic & Financial Affairs of the EU, Joaquín Almunia,