The Battle of Yatay is fought on August 17, 1865 between the troops of the Triple Alliance (Argentina, Brazil and Uruguay) and the soldiers of Paraguay near Paso de los Libres, now Paso de los Libres Department Corrientes Province, Argentina.The Battle of Yatay, the first major land battle of the war and most important of the war's second phase, is fought in the territory of Corrientes.
