What did the Anglo-Saxons fail to prevent during the battle which inspired the J.R.R. Tolkien work The Homecoming of Beorhtnoth Beorhthelm's Son?
The Homecoming of Beorhtnoth Beorhthelm's Son: The Homecoming of Beorhtnoth Beorhthelm's Son is the title of a work by J. R. R. Tolkien that was originally published in 1953 in volume 6 of the scholarly journal "Essays and Studies by Members of the English Association", and later republished in 1966 in "The Tolkien Reader". The Homecoming of Beorhtnoth Beorhthelm's Son:  It is a work of historical fiction, inspired by the Old English poem "The Battle of Maldon". The Battle of Maldon: The Battle of Maldon is the name given to an Old English poem of uncertain date celebrating the real Battle of Maldon of 991, at which the Anglo-Saxons failed to prevent a Viking invasion.
Viking invasion