Pope Hadrian II appealed to this leader for help defeating the Lombard Desiderius, after which this man conquered Pavia and took over the Lombard crown.
Pope Hadrian II appealed to this leader for help defeating the Lombard Desiderius, after which this man conquered Pavia and took over the Lombard crown. This leader advanced to Saragossa, but when Ibn al-Arabi's forces failed to appear to confront Cordova, this man retreated, losing to the Basques at Roncesvalles. This ruler was the son of the first king of the Carolingian dynasty, Pepin the Short, and co-ruled with his brother for a time before Carloman died. For 10 points, name this king of the Franks and emperor of the Romans.
Pope Hadrian II appealed to this leader for help defeating the Lombard Desiderius, after which this man conquered Pavia and took over the Lombard crown.
{Charlemagne} [accept {Charles I} of Germany, the Holy Roman Empire, or France; accept {Carolus Magnus}]