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BATTLE // December 27, 1864

Coimbra Fort Skirmish

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Source · Wikipedia

Significance

The skirmish at Fort Coimbra opened the Mato Grosso campaign of the Paraguayan War, marking Paraguay's first offensive action of the conflict. Under Colonel Vicente Barrios, a force of 3,200 men supported by eleven warships moved against the Brazilian position held by H. Portocarrero, establishing Paraguay's early initiative on this front. The operation signaled that the war would extend beyond the southern theater into Brazil's interior, with the Mato Grosso campaign representing a second axis of Paraguayan pressure on the Empire of Brazil from its outset.

Tactics

Barrios organized his force from five and two dismounted , supported by twelve rifled guns, a French-equipped rocket battery, and eleven warships. The combination of land forces and naval support reflected a joint operation against the fort, with the warships providing firepower along the waterway while the ground element advanced.

Forces & casualties

Troop strength

  • Paraguay3,200
    medium

Commanders (2)

Empire of Brazil

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Last verified June 2026
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