THE BATTLE: OCTOBER 24, 1217

The Battle: October 24, 1217

The Battle: October 24, 1217

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The English fleet was commanded by Hubert de Burgh, then the Justiciar of England and one of Henry III’s most capable commanders. De Burgh’s mission was clear: prevent the French from landing additional troops and supplies at Sandwich.

On 24 October, de Burgh’s fleet encountered a larger French fleet of about 50 ships carrying fresh troops, knights, and supplies. Despite being outnumbered, the English ships were better manned and more maneuverable. The battle quickly turned fierce, with boarding actions and close combat dominating the engagement.

One of the key moments was the use of the "grappling hook" — a medieval naval tactic where ships would be pulled together to allow hand-to-hand fighting. English sailors and knights, skilled in close quarters, overwhelmed the French crews.

The English captured the French flagship, killing or capturing many high-ranking French nobles, including Eustace the Monk, a notorious mercenary and naval commander allied with the French. The French fleet was decisively defeated, many ships were sunk or captured, and the French invasion force was crippled.

Aftermath: Turning the Tide in England’s Favor


The victory at Sandwich was a turning point. Without reinforcements or supplies, Prince Louis’s position in England became untenable. The English barons began to abandon the French cause, pledging allegiance to Henry III.

By 1217, a peace treaty known as the Treaty of Lambeth was signed, with Louis renouncing his claim to the English throne and returning to France. The reign of Henry III was secured, ensuring the continuation of the Plantagenet dynasty.

The battle also underscored the growing importance of naval power in medieval England, foreshadowing future naval conflicts that would define England’s emergence as a maritime power.

Legacy: The Medieval Trafalgar


Although less renowned than Trafalgar, the 1805 naval battle during the Napoleonic Wars, the Battle of Sandwich shares several similarities with it:

  • Both battles decisively stopped a foreign invasion threatening England.


  • Both showcased English naval skill despite numerical disadvantages.


  • Both had profound political consequences for the stability and sovereignty of England.



The Battle of Sandwich is remembered by historians as a foundational moment in England’s military and political history, marking the rise of a united kingdom under the youthful Henry III and the waning influence of French ambitions on English soil. shutdown123

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