Question: Which battle to which Æthelwulf of Berkshire lost his life was a battle on 4 January 871 at Reading in what is now the English county of Berkshire?
Sentence (from "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.
Relevant evidence: Yes