BattlefieldsBattle of Kenilworth
Medieval

Battle of Kenilworth

1266
Warwickshire, England
Also known as: Siege of Kenilworth Castle
Era
Medieval
Battle Type
Siege
Location
Warwickshire, England
Status
Unregistered
The Combatants

Who Fought

Defeated
De Montfort garrison
Forces
De Montfort garrison c.100–150; nine-month siege.
VS
Victor
Royalists (Henry III)
Forces
Royalists c.6,000–8,000
Outcome
Royalist victory after nine-month siege; longest siege in English history
The Battle

History & Significance

The longest siege in English medieval history. De Montfort's son and supporters held Kenilworth Castle for nine months against Henry III's entire military might. The garrison had supplies and a lake as a moat. The "Dictum of Kenilworth" offered terms — those who surrendered paid fines rather than faced execution. The castle held out until December before yielding.

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