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
Estonian kroon GBP = 18.35 kroon. The Estonian kroon kept this peg and circulated until the Soviet occupation of 1940. The kroon was exchanged for the Soviet ruble at a rate of 1 ruble = 0.8 kroon. In 1928, the first coins of this currency were issued, nickel-bronze 25 senti pieces. These were followed by bronze 1 sent in 1929, silver 2 krooni in 1930, bronze 5 senti and nickel-bronze 10 senti in 1931, silver 1 kroon in 1933, bronze 2 senti and aluminium-bronze 1 kroon in 1934, nickel-bronze 20 senti in 1935, nickel-bronze 50 senti in 1936. On 25 July 1940,