Before revision: The Viceroyalty of the Río de la Plata ( or ) meaning "River of the Silver", also called "Viceroyalty of the River Plate" in some scholarly writings, in southern South America, was the last to be organized and also the shortest-lived of the Viceroyalties of the Spanish Empire in the Americas.
After revision: The Viceroyalty of the Río de la Plata ( or ) meaning "River of the Silver", also called "Viceroyalty of the River Plate" in some scholarly writings, in southern South America, was the last to be organized and also the shortest-lived of one of the viceroyalties of the Spanish Empire in the Americas.