The Battle of Leuven was fought in 891 between the Franks and the Vikings. The Frankish force was led by Arnulf of Carinthia. The Franks successfully repelled the Viking assualt. Events October 6 - Election of Pope Formosus Arnulf of Carinthia defeats the Normans at the Battle of Leuven Births Abd ar-Rahman III, emir and first caliph of Córdoba. ... The name Viking is a loan from the native Scandinavian term for the Norse seafaring warriors who raided the coasts of Scandinavia, Europe and the British Isles from the late 8th century to the 11th century, the period of European history referred to as the Viking Age. ... Arnulf of Carinthia (German Arnulf von Kärnten, Slovenian Arnulf KoroÅ¡ki) (850 – December 8, 899) was one of the last ruling members of the Carolingian house in the Eastern part of the Frankish Kingdom, which had been split in the Treaty of Verdun in 843. ...