You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Æthelwulf of Berkshire lost his life at a battle in what year?" whose answer is 871.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Æthelwulf of Berkshire death year
Useful Output:

Doc 1: Alfred the Great (848/49 – October 26, 899) was King of the West Saxons from 871 to c. 886 and King of the Anglo-Saxons from c. 886 to 899.
Doc 2:  Æthelwulf's Death & Aftermath *** #medievalhistory #anglosaxon #  Æthelwulf: King of Wessex & Father of Alfred the Great. 35K views · 3 years
Doc 3: Death and succession. Æthelwulf died on 13 January 858. According to the Annals of St Neots, he was buried at Steyning in Sussex, but his body was later
Doc 4: Death and succession. edit. Æthelwulf died on 13 January 858. According to the Annals of St Neots, he was buried at Steyning in Sussex, but his body was later
Doc 5: This year came the army to Reading in Wessex; and in the  After 04 Jan 871 Æthelwulf Mercia Earldorman Berkshire (deceased) was buried at Derby [Map].