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
History of the euro adopting the currency on that date. In 2013 Latvia gained the support of the European Commission, Central Bank and Parliament for accession on 1 January 2014 with Latvia adopting the currency on that date. On 23 July 2014 Lithuania became the last Baltic state to gain permission to join the euro, which was adopted on 1 January 2015. The chart below provides a full summary of all applying exchange-rate regimes for EU members, since the European Monetary System with its Exchange Rate Mechanism and the related new common currency ECU was born on 13 March 1979. The euro replaced the