Name the King of Wessex from 839 to 858 whose father, King Egbert, defeated Beornwulf of Mercia and who himself led the Battle of Aclea between the West Saxons and the Danish Vikings?
Battle of Aclea The Battle of Aclea occurred in 851 between the West Saxons led by Æthelwulf, King of Wessex and the Danish Vikings. It resulted in a West Saxon victory.
Æthelred II of Northumbria Æthelred was king of Northumbria from c.854 to 862, with a break in 858. He was the son of Eanred.