Euro Currency Index points). The Euro Currency Index started on 4 January 1971 with 100 points. Before the introduction of the European single currency on 1 January 1999, an exchange rate of 1 Euro = 1.95583 Deutsche Mark was calculated. On April 19, 1971, the Euro Currency Index gained 99.67 points calculated with an all-time low. Until 3 December 1979, the index rose by 68.0 percent to 167.43 points. With the depreciation of the Deutsche Mark against the major currencies, the index fell to mid-1980s. On 3 May 1985, the Euro Currency Index was at level 122.26 points, up by 27.0 percent. The
United Kingdom and the euro United Kingdom and the euro The United Kingdom has never sought to adopt the euro as its official currency for the duration of its membership of the European Union (EU), and secured an opt-out at the euro's creation via the Maastricht Treaty in 1992. Polls have shown that the majority of British people have been against adopting the euro, and in a June 2016 referendum the UK voted to withdraw from the EU which would virtually eliminate the chance of any future adoption. Despite never being a member of the euro, the currency is used in the UK's Cypriot territories