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
Ron Kroon (1965-1968), and contributing editor at AVRO Sportpanorama in the seventies. Ron Kroon Ronald "Ron" Kroon (17 September 1942, Amsterdam – 12 July 2001, Huizen) was a Dutch freestyle swimmer who won two bronze medals at the 1962 European Aquatics Championships. He also competed at the 1960 and 1964 Summer Olympics with the best achievement of 8th place in the 4×100 meters medley relay. Between 1960 and 1964 he was four times national champion and set 12 national records in the 100 m freestyle event. He was the first Dutch athlete to swim 100 meters within 55 seconds. After his swimming