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
Gaucho (currency) without any initial plans to establish a common currency. Later, in 1994, Brazil established the Brazilian real, still in use, putting an end to the frequent currency changes that took place in the country throughout the 1980s and the 1990s. On such panorama, the Gaucho plan has been virtually shelved. On 17 July 1987, in the city of Viedma (Río Negro, Argentina), President Raúl Alfonsín of Argentina and President José Sarney of Brazil signed Protocol Number 20 which stated the following: Considering: Viedma, 17 July 1987 Gaucho (currency) The Gaucho was the name of a currency intended to be used