Greek drachma 5 drachmae) were issued from 1885, with the first 5-drachma notes being made by cutting 10-drachma notes in half. When Greece finally achieved its independence from the Ottoman Empire in 1828, the phoenix was introduced as the monetary unit; its use was short-lived, however, and in 1832 the phoenix was replaced by the drachma, adorned with the image of King Otto of Greece, who reigned as modern Greece's first king from 1832 to 1862. The drachma was divided into 100 lepta. In 2002 the drachma ceased to be legal tender after the euro, the monetary unit of the European Union,
Reserve currency before the beginning of the worldwide credit crunch related recession and Eurozone crisis, which harmed the euro and slowed its adoption. Since 2009, the reserve currency use of the euro has continued to drop, down to 23.9 percent in 2013. The Dutch guilder was the "de facto" reserve currency in Europe in 17th and 18th centuries. The United Kingdom's pound sterling was the primary reserve currency of much of the world in the 19th century and first half of the 20th century. The emergence of the USA as an economic superpower, and the establishment of the U.S. Federal Reserve System