 Falling back to a secure position on Monument Hill , the Americans repulsed several vigorous British assaults , although Colonel Francis was hit in the arm by a shot . He <unk> on , directing troops to a perceived weakness on Fraser 's left . The tide of the battle turned when , after more than an hour of battle , Riedesel 's grenadiers arrived . These disciplined forces entered the <unk> singing hymns to the accompaniment of a military band to make them appear more numerous than they actually were . The American flanks were turned , and they were forced to make a desperate race across an open field to avoid being enveloped . Colonel Francis fell in a volley of musket fire as the troops raced away from the advancing British and scattered into the countryside . 
