Independence of Paraguay Plata with a capital city in Buenos Aires. It included parts of modern-day Argentina, Bolivia, Uruguay and Rio Grande do Sul. In 1782 a system of municipalities was introduced. The municipality of Paraguay had only one town with city status – Asuncion. During the era of the Napoleonic Peninsula War, when mainland Spain was allied with and later occupied by the French, The British Empire attempted to take control of the Viceroyalty by launching the River Plate invasions, occupying Buenos Aires and neighbouring parts of the Río de la Plata in 1806 and 1807. Paraguayan units led by Governor Velasco
Geography of Paraguay the river enters Paraguay, the Paraná River flows 800 km to its juncture with the Río Paraguay and then continues southward to the Río de la Plata Estuary at Buenos Aires, Argentina. In general, the Río Paraná is navigable by large ships only up to Encarnación, Paraguay but smaller boats may go somewhat farther. In summer months the river is deep enough to permit vessels with drafts of up to three meters to reach Salto del Guairá, but seasonal and other occasional conditions severely limit the river's navigational value. On the upper course, sudden floods may raise the water level