Estonian kroon Estonian kroon The kroon (sign: kr; code: EEK) was the official currency of Estonia for two periods in history: 1928–1940 and 1992–2011. Between 1 January and 14 January 2011, the kroon circulated together with the euro, after which the euro became the sole legal tender in Estonia. The kroon was subdivided into 100 cents ("senti"; singular "sent"). The word "kroon" (, “crown”) is related to that of the Nordic currencies (such as the Swedish krona and the Danish and Norwegian krone) and derived from the Latin word "corona" ("crown"). The kroon succeeded the mark in 1928 and was in use
European Monetary System European Monetary System European Monetary System (EMS) was an arrangement established in 1979 under the Jenkins European Commission where most nations of the European Economic Community (EEC) linked their currencies to prevent large fluctuations relative to one another. After the demise of the Bretton Woods system in 1971, most of the EEC countries agreed in 1972 to maintain stable exchange rates by preventing exchange rate fluctuations of more than 2.25% (the European "currency snake"). In March 1979, this system was replaced by the European Monetary System, and the European Currency Unit (ECU) was defined. The basic elements of the arrangement