Euro Currency Index points). The Euro Currency Index started on 4 January 1971 with 100 points. Before the introduction of the European single currency on 1 January 1999, an exchange rate of 1 Euro = 1.95583 Deutsche Mark was calculated. On April 19, 1971, the Euro Currency Index gained 99.67 points calculated with an all-time low. Until 3 December 1979, the index rose by 68.0 percent to 167.43 points. With the depreciation of the Deutsche Mark against the major currencies, the index fell to mid-1980s. On 3 May 1985, the Euro Currency Index was at level 122.26 points, up by 27.0 percent. The
Korean currency the reign of King Sejong. These coins had the inscription 朝鮮通寶 (Chosun Tongbo "Chosun currency"). The coins that were minted in the 17th century came out to be a success at last and as a result, 24 mints were established throughout Korea. Coinage formed a major part of the exchange system after this time. In 1633, "mun" was made the main currency of Korea and copper and bronze coins were issued denominated in this currency unit. It prevailed till 1892 when "yang" took over as the main currency. Yang was the first currency that used decimal system as it was