Estonian kroon until the Soviet invasion in 1940 and Estonia's subsequent incorporation into the Soviet Union when it was replaced by the Soviet ruble. After Estonia regained its independence, the kroon was reintroduced in 1992. The kroon became the currency of Estonia on 1 September 1928 after having been a unit of account since 1924. It replaced the mark at a rate of 100 mark = 1 kroon. The kroon was subdivided into 100 sent. In 1924, the kroon was pegged to the Swedish krona at par, with a gold standard of 2480 kroon = 1 kilogram of pure gold. The standard
European Unit of Account Different units of account had previously been used for different purposes, including the budget, the European Coal and Steel Community, and the Common Agriculture Policy following the abandonment of the gold parity unit of account in the early 1970s in the wake of the collapse of the Bretton Woods system. Various European currency baskets were used as units of account in international bond markets. Some of these were defined in ISO 4217. European Unit of Account The European Unit of Account (EUA) was a unit of account used in the European Communities from 1975 to 1979, when it was replaced