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 Agincourt of the play "Henry V" by William Shakespeare. The Battle of Agincourt is well documented by at least seven contemporary accounts, three from eyewitnesses. The approximate location of the battle has never been in dispute and the place remains relatively unaltered after 600 years. Immediately after the battle, Henry summoned the heralds of the two armies who had watched the battle together with principal French herald Montjoie, and they settled on the name of the battle as Azincourt after the nearest fortified place. Two of the most frequently cited accounts come from Burgundian sources, one from Jean Le Fèvre de