The new viceroyalty covered the territory that has since become the four countries-Bolivia, Paraguay, Uruguay, and Argentina.
"The South American Republics Part I of II"
Thomas C. Dawson
On the 1st of August, 1776, the viceroyalty of Buenos Aires was created.
"The South American Republics Part I of II"
Thomas C. Dawson
The Brazilians, who had had possession of it for several years, were naturally unwilling to have so warlike and powerful a state as the Argentine Republic on their most vulnerable frontier, and the Argentines were not less unwilling to have the Brazilian frontier pushed more than a hundred leagues up the River Plate, and within the limits of the ancient viceroyalty of Paraguay, which had for ages been occupied by the Spanish race.
"Observations on the Present State of the Affairs of the River Plate"
Thomas Baines