Question: Which four kingdoms did the Great Heathen Army invade?
Sentence (from "Battle of Edington"): The primary sources locate the battle at ""Ethandun"" or ""Ethandune"", and until a scholarly consensus identified its location with the present-day Edington in Wiltshire it was known as the Battle of "Ethandun", a name which continues to be used.
Relevant evidence: No