The two armies marched over the Low Countries and Flanders, seeking out both of them the most favorable position for commencing the attack. On Sunday, the 27th of August, 1214, Philip had halted near the bridge of Bouvines, not far from Lille, and was resting under an ash beside a small chapel dedicated to St. Peter. There came running to him a messenger, sent by Guerin, Bishop of Senlis, his confidant in war as well as government, and brought him word that his rear-guard, attacked by the Emperor Otho, was not sufficient to resist him. Philip went into the chapel, said a short prayer, and cried as he came out, “Haste we forward to the rescue of our comrades!” Then he put on his armor, mounted his horse, and made swiftly for the point of attack, amidst the shouts of all those who were about him, “To arms! to arms!”
[Illustration: Battle of Bouvines——81]
Both armies numbered in their ranks not only all the feudal chivalry on the two sides, but burgher-forces, those from the majority of the great cities of Flanders being for Otho, and those from sixteen towns or communes of France for Philip Augustus. It was not, as we have seen, the first time that the forces from the French rural districts had taken part in the king’s wars; Louis the Fat had often received their aid against the tyrannical and turbulent lords of his small kingdom; but since the reign of Louis the Fat the organization and importance of the communes had made great progress in France; and it was not only rural communes, but considerable cities, such as Amiens, Arras, Beauvais, Compiegne, and Soissons, which sent to the army of Philip Augustus bodies of men in large numbers and ready trained to arms. Contemporary historians put the army of Otho at one hundred thousand, and that of Philip Augustus at from fifty to sixty thousand men; but amongst modern historians one of the most eminent, M. Sismondi, reduces them both to some fifteen or twenty thousand. One would say that the reduction is as excessive as the original estimate. However that may be, the communal forces evidently filled an important place in the king’s army at Bouvines, and maintained it brilliantly. So soon as Philip had placed himself at the head of the first line of his troops, “the men of Soissons,” says William the Breton, who was present at the battle,