Atlas of Battles

siege, medieval

Siege of Château Gaillard

Siege of Château Gaillard was a siege conducted in August 1203 at Château Gaillard, in what is now France; it ran into the following year. It was part of the French invasion of Normandy, which ran from 1202 to 1204. The recorded result: French victory; Normandy is formally annexed to the crown lands of France. Recorded strength: 6,500–8,500 against Garrison: 100–200 Relieving force: 8,000–10,000.

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Château-Gaillard, Eure, Normandy.
Château-Gaillard, Eure, Normandy.. Urban, CC BY-SA 3.0, via Wikimedia Commons.
FoughtAugust 1203ran into the following year
WhereChâteau Gaillard, France49.238N, 1.403E
OutcomeFrench victory; Normandy is formally annexed to the crown lands of France.
BelligerentsKingdom of FranceagainstDuchy of Normandy; Kingdom of England
Casualties and lossesUnknownandUnknown
Part ofFrench invasion of Normandy1202 to 1204

Where it sits in the French invasion of Normandy

Battle of Mirebeau, 1202Siege of Château Gaillard, 1203Siege of Rouen, 120412021204Siege of Château Gaillard, 1203
3 placed engagements of the French invasion of Normandy in time order; taller ticks are more widely documented. Each tick is a link.

Record

DateAugust 1203 (month precision)
to 6 March 1204
PlaceChâteau Gaillard, France
49.238N, 1.403E
KindSiege, medieval
Strength6,500–8,500Garrison: 100–200 Relieving force: 8,000–10,000
Casualties and lossesUnknownUnknown
Commanders
  • John, King of England
  • Roger de Lacy (1170-1211)
Siege of Château GaillardSiege of Château GaillardBattle of BrémuleBattle of CocherelBattle of BrécourtBattle of GisorsSiege of RolleboiseBattle of BrémuleBattle of GisorsLe HavreCaenAmiensVersaillesDieppeMelunArras100 km49.238N, 1.403E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1203

Siege of Château Gaillard is one of 590 engagements of the 13th century in the atlas and one of 1,383 in present-day France.

Sources

Identity, coordinates, dates and the war from Wikidata Q7509935, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Château Gaillard, revision 1381891802, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.