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BATTLE // May 9, 1781

Siege of Pensacola

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Overview

The siege of Pensacola, fought from March 9 to May 10, 1781, was the culmination of Spain's conquest of West Florida during the Gulf Coast Campaign of the American Revolutionary War. The siege was commanded by Bernardo de Gálvez, whose nearly 8,000 troops ultimately overran the British forces in the region. The success of the siege resulted in Gálvez' promotion to governor of West Florida and Louisiana.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The siege of Pensacola, concluded on May 10, 1781, marked the culmination of Spain's Gulf Coast Campaign during the American Revolutionary War. Commanded by Bernardo de Gálvez, Spanish forces numbering nearly 8,000 troops overran a British garrison of roughly 1,300, producing British casualties of 1,373 and completing Spain's conquest of West Florida. The fall of Pensacola ended meaningful British control over the Gulf Coast theater, removing a strategic base from which Britain had projected power across the region. As a direct consequence of the victory, Gálvez was appointed governor of both West Florida and Louisiana, consolidating Spanish authority over a vast stretch of territory that had shifted hands in the campaign. The siege demonstrated Spain's capacity to conduct sustained, large-scale offensive operations in the Americas while Britain was simultaneously under pressure in the northern colonies and the Caribbean.

Forces & casualties

Troop strength

  • Spain7,400
    medium
  • Great Britain1,300
    medium

Spain fielded a 5.7 : 1 numerical advantage

Casualties

  • Great Britain1,373
    medium106% loss rate

Commanders (6)

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6 sibling battles · 6 factions

Last verified June 2026
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