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BATTLE // August 17, 1865

Battle of Yatay

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Overview

In the Paraguayan War, the Battle of Yatay was fought on August 17, 1865, between the troops of the Triple Alliance (Argentina, Brazil and and the soldiers of Paraguay near Paso de los Libres, Corrientes, Argentina. It was a victory for the Alliance.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Yatay, fought near Paso de los Libres in the Argentine province of Corrientes, was a victory for the Triple Alliance over Paraguayan forces. The engagement resulted in the destruction of the entire Paraguayan force engaged: all 3,200 troops appear to have been killed, captured, or otherwise rendered combat-ineffective. Against an Allied force roughly three to four times its size, the Paraguayan contingent suffered total losses. The battle was part of the broader campaign to expel Paraguayan troops from Argentine territory, a key early objective of the Alliance. By eliminating this Paraguayan force in Corrientes, the Alliance secured a significant operational success in the initial phase of the war.

Forces & casualties

Troop strength

  • Argentina8,390–10,550
    medium
  • Paraguay3,200
    medium

Argentina fielded a 3.0 : 1 numerical advantage

Casualties

  • Paraguay3,200
    medium100% loss rate

Commanders (3)

Argentina

Paraguay

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6 sibling battles · 1 factions

Last verified June 2026
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