Battle of Arroyo Grande
Part of theUruguayan Civil War
Painting by Carlos Descalzo
Date 6 December 1842 Location Arroyo Grande,Entre Ríos Province,Argentina Result Blanco victory
Belligerents
Blancos Argentine Confederation	Colorados Unitarian Party
Commanders and leaders
Manuel Oribe	Fructuoso Rivera
Strength
12,000	7,500
Casualties and losses
300 killed and wounded	2,000 killed 1,400 wounded

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TheBattle of Arroyo Grande took place on 6 December 1842 and was a major battle of theUruguayan Civil War.

At Arroyo Grande, the federal forces, orblancos, ofManuel Oribe defeated thecolorados ofFructuoso Rivera, having been in conflict with them since 1838.

Following the battle, Oribe followed up his victory over the Colorados by marching to and besiegingMontevideo thus beginning theGreat Siege of Montevideo.

• (in Spanish)Arroyo Grande: una batalla sangrienta

• Origin of the Uruguayan Civil War

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