An ongoing rivalry with Saturnino Ribes' Las Mensajerías (so named for its prominence in the mail transport business) led to a trust arrangement between the two, whereby Mihanovich ceded control of Uruguay River shipping to Ribes, who was given control of the Paraná.
Uruguay | Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River |
It is only found in southwestern and western Paraná Santa Catarina in the basin of the Iguazu River and Uruguay River.
On April 1, 1843, the Madariaga brothers and some more officials crossed the Uruguay River near Uruguaiana, on what would later be known as the 'Paso de los Libres'.
With the support of Juan Antonio Lavalleja and the members of the White Party, he crossed the Uruguay river in order to attack Rivera, but the latter defeated him at the Battle of Cagancha, on 29 December 1839, in San José Department, Uruguay near the Cagancha creek.
Pygocentrus nattereri Kner, 1858 (red piranha, red-bellied piranha) – Amazon, Paraguay-Paraná-Uruguay, and Essequibo river basins, as well as various river in northeastern Brazil.
Gualeguaychú is located near the international Libertador General San Martín Bridge, which connects the nearby town of Puerto Unzué with Fray Bentos, Uruguay, across the Uruguay River.