well. The cannon may have been decisive, not so much for the effect they had themselves, but in that they alerted Richemont to the fact that there was a battle going on, and so caused his appearance on the field. It was fortunate for Clermont that this was so because one of his captains wrote shortly afterwards that if the Constable (Richemont) had not come when he did, Clermont's army would have suffered "irreparable damage" due to the English numerical superiority. Images References Sources . 1450 in England 1450s in France Formigny 1450 Calvados (department) Formigny Formigny