On 10th or 11th August 991 the battle of Maldon, Essex, was fought in which the Vikings defeated an army led by Earl Byrhtnoth, who was killed.
A contemporary 325 line Anglo-Saxon poem describes the battle. Here is the part in which Earl Byrhtnoth is killed:
For the whole poem see https://www.allabouthistory.co.uk/History/h7/Poem-of-the-Battle-of-Maldon

