Battle of Dover (1217) in the context of "Treaty of Lambeth"

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⭐ Core Definition: Battle of Dover (1217)

51°16′30″N 1°25′12″E / 51.275°N 1.420°E / 51.275; 1.420The Battle of Sandwich, also called the Battle of Dover took place on 24 August 1217 as part of the First Barons' War. A Plantagenet English fleet commanded by Hubert de Burgh attacked a Capetian French fleet led by Eustace the Monk and Robert of Courtenay off Sandwich, Kent. The English captured the French flagship and most of the supply vessels, forcing the rest of the French fleet to return to Calais.

The French fleet was attempting to bring supplies and reinforcements to Prince Louis, later King Louis VIII of France, whose French forces held London at that time. The English vessels attacked from windward, seizing Eustace's ship, making Robert and the knights prisoner and killing the rest of the crew. Eustace, a notorious pirate, was executed after being taken prisoner. The battle convinced Prince Louis to abandon his effort to conquer England and the Treaty of Lambeth was signed a few weeks later.

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👉 Battle of Dover (1217) in the context of Treaty of Lambeth

The Treaty of Lambeth of 1217, also known as the Treaty of Kingston to distinguish it from the Treaty of Lambeth of 1212, was a peace treaty signed by Louis of France in September 1217 ending the campaign known as the First Barons' War to uphold the claim by Louis to the throne of England. When the campaign had begun, baronial enemies of the unpopular English king John had flocked to the French banner, but after John's death in 1216, and his replacement by a regent, William Marshal, on behalf of John's young son and successor, Henry III, many had switched sides. Subsequent defeats at Lincoln in May 1217 and at Dover and Sandwich in August 1217 forced Louis to negotiate.

Information on the treaties is based on three early documents but none of these is known to have been based on an original manuscript. It is known that negotiations were spread over several locations, opening on 6 September 1217 at Staines, because the royal court was nearby at Chertsey or possibly on 5 September on an island of the Thames near Kingston. Various dates for treaties are given by the sources including:

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In this Dossier
LINKED FROM (PARENTS)
← Treaty of Lambeth
LINKS TO (CHILDREN)
First Barons' War → House of Plantagenet → Hubert de Burgh → House of Capet → Eustace the Monk → Robert, Lord of Champignelles → Sandwich, Kent → Calais → Louis VIII of France → London → Pirate → Treaty of Lambeth →