The Death of Robert le Fort in the Battle of Brissarthe, 866 by Henri Lehmann
The Battle of Brissarthe was fought on 2 July 866, between the Franks and a joint Breton-Viking army near Brissarthe, Neustria. It was marked by the death of Robert the Strong, the Neustrian margrave, and Ranulf I, the duke of Aquitaine.












