Name of the sword Charlemagne gave to his nephew Roldán when he was knighted at the age of 17. It was also called Durandarte. Mythical sword of medieval France. In the military industry, it is the name of a bomb developed by France and Israel, special for the destruction of runways and roads.
Also Durandarte or Durenda. Thus they called the sword of Count Roldán, nephew of Charlemagne, killed in the battle of Roncesvalles against the Basques. A legend of the Bierzo places this sword at the bottom of Lake Carucedo next to the mines of the Médulas. Perhaps it was taken there by the Leonese knight Bernardo de Carpio who participated in a second battle of Roncesvalles a few years after the first. There are also other versions.