History of the euro support the euro in 2001. Later in 2000, Denmark held a referendum on whether to abandon their opt-out from the euro. The referendum resulted in a decision to retain the krone, and also set back plans for a referendum in the UK as a result. The procedure used to fix the irrevocable conversion rate of 340.750 between the Greek drachma and the euro was different, since the euro by then was already two years old. While the conversion rates for the initial eleven currencies were determined only hours before the euro was introduced as a virtual currency, the conversion rate
History of the euro January in the mentioned year: Slovenia (2007), Cyprus (2008), Malta (2008), Slovakia (2009), Estonia (2011), Latvia (2014), and Lithuania (2015). All new EU members having joined the bloc after the signing of the Maastricht treaty in 1992, are obliged to adopt the euro under the terms of their accession treaties. However, the last of the five economic convergence criteria which needs first to be complied with in order to qualify for euro adoption, is the exchange rate stability criterion, which requires having been an ERM-member for a minimum of two years without the presence of "severe tensions" for the currency