The battle of São Borja was fought on 10 June 1865 at the beginning of the Paraguayan invasion of
Rio Grande do Sul
Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...
during the
Paraguayan War.
Battle
Even after the disastrous defeat at the
Battle of Riachuelo, the Paraguayan soldiers continued advancing overland towards Rio Grande do Sul, under the command of lieutenant colonel
Antonio de la Cruz Estigarribia. A few days earlier, on June 8, the Paraguayan column, organized by major Pedro Duarte and numbering about 10,000 men, was in the Argentine village of
Santo Tomé, close to from the border with Brazil. Along with them were 5 cannons, 20 canoes, and 30 carts with various supplies.
From that point onwards, Estigarribia began preparations for the offensive and 6,000 men were at his disposal. On the morning of 10 June 1865, on foot and by canoe, his troops slowly crossed the
Uruguay River. Colonel Antônio Fernandes Lima, head of the Brazilian forces in the frontier, was warned about Paraguayan movements on the other side of the river, but did not believe in the speed of their preparations. The colonel ordered his forces of 2,000 soldiers to march unhurriedly towards the Paraguayans.
At 10 in the morning the Paraguayans began the attack on São Borja, encountering weak resistance from
lancer
A lancer was a type of cavalryman who fought with a lance. Lances were used for mounted warfare in Assyria as early as and subsequently by Persia, India, Egypt, China, Greece, and Rome. The weapon was widely used throughout Eurasia during the M ...
s commanded by colonel Ferreira Guimarães. After about 4 hours of fighting, reinforcements from the 1st Battalion of
Fatherland Volunteers arrived at the scene under the command of lieutenant colonel
João Manuel Mena Barreto, who found the Paraguayans penetrating the city, at the mouth of São João street (then called General Marques street). 1,400 Paraguayans from the column of captain Diogo Alvarenga were bayoneted by two hundred infantrymen commanded by
Floriano Peixoto, who would later become President of Brazil.
Even though the number of reinforcements was only 650 soldiers, it was enough to hold position for two days, giving time for the local population to be evacuated safely. Soon after, on June 12, the village was abandoned by the Brazilians, being occupied and looted by the Paraguayans for a week. On the 19th, the Paraguayans, encouraged by the victory, left for
Uruguaiana.
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{{DEFAULTSORT:São Borja
Conflicts in 1865
Battles involving Paraguay
Battles involving Brazil
Battles of the Paraguayan War
History of Rio Grande do Sul
1865 in South America
June 1865 events