ORDER OF BATTLE // January 1, 1865
Battle of Corrientes
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 47,000 estimated
Paraguay
37,000
Medium-confidence figure
Argentina
10,000
Medium-confidence figure
Battle context
The Battle of Corrientes marked an early phase of the Paraguayan War, occurring during the second stage of the Paraguayan offensive following the invasion of Mato Grosso. Paraguay committed a force of 37,000 against an Argentine force of 10,000, reflecting the scale of Paraguayan ambition in pushing the conflict beyond its initial theater. The engagement placed Argentina directly in the war's operational scope, drawing Buenos Aires into a conflict that had begun with Paraguay's move into Brazilian territory.
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