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Battle of Las Piedras (1811)

From Wikipedia, the free encyclopedia

Battle of Las Piedras
Part of the Spanish American wars of independence
Battle of Las Piedras.jpg

Surrender of Posadas at Las Piedras, by Juan Manuel Blanes.
DateMay 18, 1811
Result Revolutionary victory

Spain Spain

Flag of Artigas.svg
Criollos Orientales allies of the United Provinces of the Rio de la Plata
Commanders and leaders
Spain José Posadas  (POW)
Flag of Artigas.svg
José Gervasio Artigas
Flag of Artigas.svg
Manuel Francisco Artigas
Official Report: 668
600 cavalrymen
350 infantrymen
64 gunners with 4 pieces
2 4 inch cannons
2 64 mm mortars
Acevedo's Estimation: ~1,004
~500 infantrymen
~450 cavalrymen
~54 gunners with 4 pieces
Official Report: 1,076
600 cavalrymen (250 mounted regiment and 296 gauchos in two squadrons)
454 infantrymen (108 militia, 250 from the Patricios' Regiment and 96 Blandengues)
20 gunners
2 cannons
Acevedo's Estimation: ~1,770
~1300 cavalrymen
~430 infantrymen
~40 gunners with 4 pieces
Casualties and losses


97 killed
61 wounded
480 prisoners

The Battle of Las Piedras was fought on May 18, 1811 as part of the Uruguayan struggle for independence.

Background and development of events

In 1810, the May Revolution had forced the Spanish to abandon Buenos Aires, but they held on to the Banda Oriental (present-day Uruguay), as Spain moved the headquarters of the Viceroyalty of the Río de la Plata to Montevideo. At the beginning of April 1811, the revolutionary José Gervasio Artigas returned to the Banda Oriental with approximately 180 men provided by the Government of Buenos Aires. On April 11, he issued the Mercedes Proclamation, assuming control of the revolution.

The Governor of Montevideo, Francisco Javier de Elío, appointed frigate-captain José Posadas [es] at the head of the forces loyal to Spain. Posadas installed his headquarters at San Isidro Labrador de Las Piedras near Montevideo, to provoke a decisive battle against the revolutionaries.

Meanwhile, José Artigas was camped near Nuestra Señora de Guadalupe with an army of a thousand men. The army of Posadas counted 1230 men, of which some 200 would defect to Artigas in the midst of battle.

The battle was fought on May 18 at Las Piedras and resulted in a total victory for the revolutionaries. José Posadas capitulated. It was at this occasion that Artigas pronounced his famous sentence "Curad a los heridos, clemencia para los vencidos" (Cure the injured, mercy to the vanquished), an unusual decision in those times, referring to the Spanish wounded and prisoners. One of the casualties on the revolutionary side was Manuel Artigas, nephew of José Artigas.

Both armies fought in the name of King Ferdinand VII of Spain.

The Battle of Las Piedras by Diógenes Hequet
The Battle of Las Piedras by Diógenes Hequet

Importance of the battle

Some historians consider the victory in the Battle of Las Piedras as crucial for the survival of the revolution in Uruguay and Argentina, after the defeats of General Manuel Belgrano in Paraguay and Paraná.

After the battle, the Royalists only remained in control of Colonia del Sacramento and Montevideo, which was finally taken by Carlos María de Alvear on June 20, 1814.

The day of the battle, May 18, is now an official holiday in Uruguay. The date is also commemorated in the military and civilian honour, the 18 May 1811 Medal.

See also

External links

This page was last edited on 7 May 2021, at 13:07
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