Friday, October 25, 1415: St. Crispin’s Day. At a place in northern France that history remembers as Agincourt. King Henry V of England had invaded France to press his claim on the French lands of Normandy, Touraine, Anjou, Brittany, Flanders and Aquitaine. He stood with 1,500 men-at-arms and 7,000 longbowmen,…