1047 Caen: Battle of Val-ès-Dunes
Henry I King France 
1049 Abbey St Remi: Council Reims
Enguerrand II Count Ponthieu excommunicated for his marriage Adelaide Normandy Count Aumale being consanguineous
Geoffrey "Martel aka Hammer" Ingelger II Count Anjou excommunicated for the imprisonment of Gervais Château-Du-Loir Archbishop Reims
1057 Battle of Varaville
Geoffrey "Martel aka Hammer" Ingelger II Count Anjou
Jan 1066 Council Lillebonne
At which William "Conqueror", future King of England, sought and received agreement from his nobles to invade England.
William "Conqueror" I King England  attended
Odo Mortain Bishop Bayeux attended
20 Sep 1066 Battle Fulford Bridge
At which the brothers Morcar Mercia Earl Northumbria and Edwin Mercia, brothers-in-law to Harold II King England, were defeated by Harald III King Norway and Tostig Godwinson, brother of Harold II King England.
20 Sep 1066 Harald III King Norway  at Fulford