BATTLE // January 1, 1868
Battle of Lomas Valentinas
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Overview
The Battle of Lomas Valentinas was fought in the Central Department of Paraguay on December 21–27, 1868. The Paraguayan Army, led personally by president Francisco Solano López, was decisively defeated, though López managed to escape. On 30 December 1868, the Paraguayan garrison at Angostura, with 1,907 men, surrendered to the Allies.
Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.
Significance
The Battle of Lomas Valentinas, fought in the Central Department of Paraguay in late December 1868, resulted in a decisive defeat for the Paraguayan Army under President Francisco Solano López. The engagement effectively destroyed the organized Paraguayan force defending the capital region: Paraguay committed approximately 3,000 men against an Allied Brazilian force of over 19,000, suffering casualties that amounted to its entire engaged strength. López escaped, but his field army did not survive intact. Within days of the battle's conclusion, the Paraguayan garrison at Angostura — some 1,907 men — surrendered to Allied forces on December 30, compounding the collapse. Together, Lomas Valentinas and the Angostura capitulation stripped Paraguay of its remaining coherent defensive capacity in the central theater, opening the way for the fall of Asunción and reducing the war's continuation to a protracted pursuit of López and remnant forces through the interior.
Forces & casualties
Troop strength
- Paraguay3,000medium
- Empire of Brazil19,415medium
Empire of Brazil fielded a 6.5 : 1 numerical advantage
Casualties
- Paraguay3,000medium100% loss rate
- Empire of Brazil3,270medium17% loss rate
Commanders (7)
Empire of Brazil

José Luís Barretogeneral
Marquess of Caxiasmarshal
Paraguay
Bernardino Caballerogeneral

Solano Lópezfield marshal
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6 sibling battles · 1 factions