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
State continuity of the Baltic states State continuity of the Baltic states State continuity of the Baltic states describes the continuity of the Baltic states as legal entities under international law while under Soviet rule and German occupation from 1940 to 1991. The prevailing opinion accepts the Baltic thesis of illegal occupation and the actions of the USSR are regarded as contrary to international law in general and to the bilateral treaties between the USSR and the Baltic states in particular. This legal continuity has been recognised by most Western powers and is reflected in their state practice. The application of the Stimson Doctrine by the