Euro Currency Index summer of 2007, the index began to decline. On 6 February 2009 a value of 187.84 points was determined. In the following eight months, the European single currency rebounded from the lows. On 13 October 2009, the index rose by 208.45 points, near its historical high point. A financial crisis in several member states of the Euro zone in 2010 led to the outbreak of the Euro crisis. Particularly affected is Greece (see Greek government-debt crisis from 2010), but also other countries such as Ireland, Spain, Italy and Portugal. The weakness of the Euro against almost all global currencies caused
De facto currency De facto currency A de facto currency is a unit of money that is not legal tender in a country but is treated as such by most of the populace. The United States dollar and the European Union euro are the most common de facto currencies. Andorra used the euro unofficially prior to June 2013, at which point the euro became its official currency. The euro remains the de facto currency in Kosovo and Montenegro. Countries using the United States dollar as their de facto currency include Aruba and Cambodia, where most hotels, restaurants, and transportation are priced in dollars;