Æthelwulf of Berkshire lost his life at a battle in what year?
Æthelwulf of Berkshire:  He received a land grant in 843/44 from Brihtwulf, king of Mercia; and lost his life at the Battle of Reading. Battle of Reading (871): The first Battle of Reading was a battle on 4 January 871 at Reading in what is now the English county of Berkshire.
871