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 Wei River to press his attack. Prince Tian Guang fled and was eventually caught and killed. This battle was strategically significant since it cost Xiang Yu between half and a third of his forces, including many veterans, depleted Chu of important reserves and prevented any future possibility of Xiang Yu fighting successfully on two fronts. Eventually, Xiang Yu lost the war. It is not known why Xiang Yu did not lead the Chu army into battle himself to fight against the now well regarded Han Xin. Battle of Wei River The Battle of Wei River (濰水之戰) was fought in 204 BC between