Currency of Uruguay Currency of Uruguay This is an outline of Uruguay's monetary history. For the present currency of Uruguay, see Uruguayan peso. Uruguay's currency was initially that common to all of Spanish America. During the struggle over this region, initially between Spain and Portugal, then between Argentina and Brazil, the coinage of both contestants circulated. When the area was annexed to Brazil in 1821 as Provincia Cisplatina, the Portuguese (Brazilian) administration put notes of Banco do Brazil into circulation. This was the first paper money to circulate in Uruguay. Then, in 1826–1828, Argentine troops fighting against Brazil were paid in one-peso notes
Gaucho (currency) Gaucho (currency) The Gaucho was the name of a currency intended to be used by Argentina and Brazil in the context of the Argentina-Brazil Integration and Economics Cooperation Program or PICE (Spanish: Programa de Integración y Cooperación Económica Argentina-Brasil) to make interregional payments. It was named after the gauchos typical of both Argentina and Southern Brazil. After the signing of the Protocol Number 20, in 1987, no further action was ever taken by any of the countries to effectively put the currency into use. Mercosur, an economic bloc including Brazil and Argentina, establishing broader economic integration, was created in 1991,