Final answer:
The Battle of Brunanburh is based on a real historical event.
Step-by-step explanation:
The Battle of Brunanburh is indeed based on a real historical event. It was a major battle fought in 937 AD between the forces of the English king Æthelstan and a coalition of Viking, Scottish, and Welsh armies. The poem titled 'The Battle of Brunanburh' is a tribute to Æthelstan's victory in this battle and celebrates his achievements.
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