Mark (unit) was also used as a unit of currency, e.g. in the 1087 poem "The Rime of King William" ("marks of gold"), in many Shakespearean plays set in medieval England, and in various incarnations in Germany and Finland until the adoption of the euro in 1999. Mark (unit) The Mark (from Middle High German: Marc, march, brand) is originally a medieval weight or mass unit, which supplanted the pound weight as a precious metals and coinage weight from the 11th century. The Mark is traditionally a half pound weight and was usually divided into 8 ounces or 16 Lot. The significance
International status and usage of the euro standing, mostly at the expense of the dollar. The increase of 4.4% in 2002 is due to the introduction of euro banknotes and coins in January 2002. The possibility of the euro's becoming the first international reserve currency is now widely debated among economists. Former Federal Reserve Chairman Alan Greenspan gave his opinion in September 2007 that the euro could indeed replace the US dollar as the world's primary reserve currency. He said it is "absolutely conceivable that the euro will replace the dollar as reserve currency, or will be traded as an equally important reserve currency." In the second