Somme (river) invasion fleet of William the Conqueror assembled in the Bay of the Somme, at Saint-Valery-sur-Somme. The river also featured in the 1346 withdrawal of Edward III of England's army, which forded the river at the Battle of Blanchetaque during the campaign, which culminated in the Battle of Crécy. Crossing the river also featured prominently in the campaign which led to the Battle of Agincourt in 1415. In 1636, a Spanish army led by Thomas Francis, prince of Carignan, crossed the Somme defeating a French army during the Thirty Years War threatening Paris. Most famously, the Battle of the Somme, during
Battle of Crécy something that would have been impossible for the French "chevaliers" with their short-range style of fighting. Battle of Crécy The Battle of Crécy (26 August 1346), also spelled Cressy, was an English victory during the Edwardian phase of the Hundred Years' War. It was the first of three famous English successes during the conflict, followed by Poitiers in 1356 and Agincourt in 1415. The battle was fought on 26 August 1346 near Crécy, in northern France. An army of English, Welsh, and allied mercenary troops led by Edward III of England, engaged and defeated a much larger army of French,