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
Economic and Monetary Union of the European Union new nation states in Europe after World War I. A first attempt to create an economic and monetary union between the members of the European Communities goes back to an initiative by the European Commission in 1969, which set out the need for "greater co-ordination of economic policies and monetary cooperation," which was followed by the decision of the Heads of State or Government at their summit meeting in The Hague in 1969 to draw up a plan by stages with a view to creating an economic and monetary union by the end of the 1970s. On the basis of