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 he did on 16 November, to be received in triumph in London on the 23rd. Henry returned a conquering hero, in the eyes of his subjects and European powers outside France, blessed by God. It established the legitimacy of the Lancastrian monarchy and the future campaigns of Henry to pursue his "rights and privileges" in France. Other benefits to the English were longer term. Very quickly after the battle, the fragile truce between the Armagnac and Burgundian factions broke down. The brunt of the battle had fallen on the Armagnacs and it was they who suffered the majority of senior