History of the euro midnight on 1 January 1999, when the national currencies of participating countries (the eurozone) ceased to exist independently in that their exchange rates were locked at fixed rates against each other, effectively making them mere non-decimal subdivisions of the euro. The euro thus became the successor to the European Currency Unit (ECU). The notes and coins for the old currencies, however, continued to be used as legal tender until new notes and coins were introduced on 1 January 2002 (having been distributed in small amounts in the previous December). Beginning on 1 January 1999, all bonds and other forms of
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