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CASUALTY RECORD // May 18, 1812

Battle of Almaraz

Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.

Casualties by side

2 sides catalogued · combined 331–440 estimated

  • Empire français

    150–259

    Medium-confidence figure

  • Royaume-Uni de Grande-Bretagne et d'Irlande

    181

    Medium-confidence figure

Battle context

The destruction of the French pontoon bridge at Almaraz severed a direct crossing of the River Tagus, disrupting French communications and movement between the armies operating on either side of the river. By eliminating the bridge and overcoming the two garrisons guarding it, Hill's force denied the French a logistical and operational link at a critical point in the Peninsular War. The action took place in 1812, a year of intensifying Allied pressure in the Peninsula, and the loss of the crossing complicated French coordination at a time when Wellington's armies were pressing their advantage across multiple fronts.

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Sources (1)

Last verified June 2026
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