Estonian kroon circulation. Coins in circulation before being replaced by the euro: 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
European Exchange Rate Mechanism letter to the Eurogroup in July 2018 on its desire to participate in ERM II. In theory, most of the currencies are allowed to fluctuate as much as 15% from their assigned value. In practice, however, the currency of Denmark deviates very little. The former members of ERM II are the Greek drachma, Slovenian tolar, Cypriot pound, Estonian kroon, Maltese lira, Slovak koruna, Lithuanian litas and Latvian lats. European Exchange Rate Mechanism The European Exchange Rate Mechanism (ERM) was a system introduced by the European Economic Community on 13 March 1979, as part of the European Monetary System (EMS), to