French School, (15th century); French. Medium: vellum. Date: 15th Century. Edward III gains control of the seas; naval Battle of Sluys; one of opening battles of Hundred Years War; destruction of most of French fleet so that the threatened French invasion of England was no longer possible; off Sluys in the French fief of Flanders - now spelt Sluis and part of Dutch region of Zeelandic Flanders; English longbowmen could fire arrows five times faster than the French crossbowmen; English victory; Provenance: Bibliotheque Nationale, Paris, France. Photographic Rights The Bridgeman Art Library.