Henry I's victory at Brémule repelled a French invasion of Normandy and forced Louis VI to accept William Adelin as Duke of Normandy.
Key Facts
- Date
- 20 August 1119
- Norman casualties
- 3 soldiers
- Outcome for Normandy
- French invasion repelled
- Political result
- William Adelin invested as Duke of Normandy 1120
- Context
- Fortuitous border encounter in disputed Vexin region
By the Numbers
Location
Cause → Event → Consequence
Henry I of England repeatedly had to defend his Norman holdings against French pressure. The battle arose from an unplanned encounter between the two monarchs conducting border-policing operations along the ill-defined frontier in the Vexin and the Seine valley, where Louis VI was also backing William Clito's rival claim to the Duchy of Normandy.
On 20 August 1119, Henry I's Norman forces met and defeated Louis VI's army near Brémule. Norman chronicles record only three casualties on their side and significant ransoms collected from French prisoners. Louis VI himself fought fiercely but narrowly escaped capture when a Norman knight seized his horse's reins.
The French defeat effectively crushed the Norman barons' rebellion that Louis had supported. Louis VI was compelled to recognize William Adelin as Duke of Normandy, and William was formally invested with the duchy in 1120, although Louis continued to back William Clito's claim to the honor thereafter.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Henry I of England.
Side B
1 belligerent
Louis VI of France.