Greek drachma Union collapsed due to World War I. Between 1926 and 1930, a new coinage was introduced for the new Hellenic Republic, consisting of cupro-nickel coins in denominations of 20 lepta, 50 lepta, 1 drachma, and 2 drachmae; nickel coins of 5 drachmae; and silver coins of 10 and 20 drachmae. These were the last coins issued for the first modern drachma, and none were issued for the second. Notes were issued by the National Bank of Greece from 1841 until 2001 when Greece joined the Euro. Early denominations ranged from 10 to 500 drachmae. Smaller denominations (1, 2, 3 and
Euro cheques, electronic transfers, banking, etc.) at midnight on 1 January 1999, when the national currencies of participating countries (the eurozone) ceased to exist independently. Their exchange rates were locked at fixed rates against each other. 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 euro notes and coins were introduced on 1 January 2002. The changeover period during which the former currencies' notes and coins were exchanged for those of the euro lasted about two months, until 28 February