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BATTLE // March 14, 1811

Battle of Casal Novo

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Overview

The Battle of Casal Novo was a rear-guard action fought on March 14, 1811, during Massena's retreat from Portugal. During this retreat a French division, under command of Michel Ney, conducted a series of sharp rear-guard actions. At Casal Novo, the recklessness of Sir William Erskine resulted in costly losses in the Light Division.

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

Significance

Casal Novo was one of several rear-guard actions fought during Masséna's withdrawal from Portugal in March 1811. The engagement illustrated the dangers inherent in pursuit operations: despite the French force being outnumbered, the recklessness of the British commander Sir William Erskine produced casualties of 155 in the Light Division — a costly result for the pursuing side. Ney's management of the French rear guard across this series of actions slowed and punished Wellington's pursuit, buying time for the retreating army. The episode contributed to the broader pattern of the Peninsular War in which disciplined rear-guard fighting by the French could inflict disproportionate losses even in defeat.

Forces & casualties

Troop strength

  • France4,600
    medium
  • United Kingdom7,000
    medium

United Kingdom fielded a 1.5 : 1 numerical advantage

Casualties

  • Royaume-Uni de Grande-Bretagne et d'Irlande155
    medium

Commanders (3)

France

United Kingdom

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6 sibling battles · 3 factions

Last verified June 2026
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