- May 13 Henry I of Limburg loses the duchy of Lower Lorraine to Godfrey of Louvain
Battle at Tinchebrai
Sep 28 Battle at Tinchebrai: English King Henry I beats his brother Robert, Duke of Normandy in Normandy
Sep 28 Battle at Tinchebrai: English King Henry I beats his brother Robert, Duke of Normandy in Normandy