Failure of a 
Norman caign in North Africa, the 
Norman troops are massacred near 
Mahdia at the battle of al-Dimas.Gilbert Meynier (2010) "L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518)". Paris: La Découverte pp.56.ref name=admin of sicily