Joyeuse

Albrecht Duerer portrait of Charlemagne with Joyeuse

Joyeuse (pronounced [ʒwajøz] ; Old French: Joiuse; meaning "joyous, joyful") was, in medieval legend, the sword wielded by Charlemagne as his personal weapon. A sword identified as Joyeuse was used in French royal coronation ceremonies since the 13th century, and is now kept at the Louvre.