Sluys (Hundred Years' War).

Fought June 24, 1340, when the English fleet of 250 sail, under Sir Robert Morley and Richard Fitzalan, attacked the French fleet of about 200 sail, under Hugues Quiéret, lying in Sluys Harbour. Practically the whole of the French fleet was captured or destroyed, and Quiéret was killed. The French lost 25,000 men, the English 4,000.