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BATTLE // December 6, 1842

Battle of Arroyo Grande

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Overview

The Battle of Arroyo Grande took place on 6 December 1842 and was a major battle of the Uruguayan Civil War.

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

Significance

The Battle of Arroyo Grande on 6 December 1842 was a major engagement of the Uruguayan Civil War, pitting Manuel Oribe's Blanco force of approximately 12,000 against Fructuoso Rivera's Colorado force of approximately 7,500. The Colorados suffered around 2,000 casualties, a loss proportionally severe given their numerical disadvantage entering the engagement. The battle reflected the broader contest between the Blanco and Colorado factions that defined the 1839–1851 conflict, with Oribe's larger force pressing Rivera's Colorados in what the historical record marks as a significant action within that war.

Forces & casualties

Troop strength

  • Blancos12,000
    medium
  • Colorados7,500
    medium

Blancos fielded a 1.6 : 1 numerical advantage

Casualties

  • Colorados2,000
    medium27% loss rate

Commanders (2)

Blancos

Colorados

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Related

2 sibling battles · 0 factions

Last verified June 2026
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