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BATTLE // June 11, 1812

Battle of Maguilla

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Source · Wikipedia

Significance

The Battle of Maguilla illustrated a persistent command and discipline problem in British cavalry operations during the Peninsular War. A British dragoon brigade under Slade achieved an early advantage, routing the French cavalry and taking prisoners, but the troopers abandoned formation in pursuit, leaving themselves vulnerable. A French reserve squadron exploited the disorder, rallied the main body, and reversed the outcome, driving the British back until mutual exhaustion ended the action. British casualties of 118 against a force of roughly equal size underscored the cost of uncontrolled pursuit. The engagement reinforced Wellington's ongoing frustration with the offensive conduct of his cavalry arm, a limitation that would remain a concern throughout the campaign in the Peninsula.

Tactics

Slade's British dragoons opened with a charge that routed the opposing French dragoons and captured a portion of them. The British then pursued without maintaining order, galloping ahead in a disorganized mass. The French reserve squadron seized on this moment, charging into the disordered British troopers; the French main body, having rallied, joined the counter-pursuit. The British were driven back over the same ground until the horses of both sides were too exhausted to continue fighting.

Forces & casualties

Troop strength

  • Empire français700–800
    medium
  • Royaume-Uni de Grande-Bretagne et d'Irlande700
    medium

Both sides were near-evenly matched in numbers

Casualties

  • Royaume-Uni de Grande-Bretagne et d'Irlande118
    medium17% loss rate

Commanders (2)

French Empire

United Kingdom

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Last verified June 2026
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