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
Euro national currencies had to be carried out using the process of triangulation via the euro. The "definitive" values of one euro in terms of the exchange rates at which the currency entered the euro are shown on the right. The rates were determined by the Council of the European Union, based on a recommendation from the European Commission based on the market rates on 31 December 1998. They were set so that one European Currency Unit (ECU) would equal one euro. The European Currency Unit was an accounting unit used by the EU, based on the currencies of the member