Meantime, Valdez, on the 30th July; issued most urgent and ample offers of pardon to the citizens, if they would consent to open their gates and accept the King’s authority, but his Overtures were received with silent contempt, notwithstanding that the population was already approaching the starvation point. Although not yet fully informed of the active measures taken by the Prince, yet they still chose to rely upon his energy and their own fortitude, rather than upon the honied words which had formerly been heard at the gates of Harlem and of Naarden. On the 3rd of August, the Prince; accompanied by Paul Buys, chief of the commission appointed to execute the enterprise, went in person along the Yssel; as far as Kappelle, and superintended the rupture of the dykes in sixteen places. The gates at Schiedam and Rotterdam were, opened, and the ocean began to pour over the land. While waiting for the waters to rise, provisions were rapidly, collected, according to an edict of the Prince, in all the principal towns of the neighbourhood, and some two hundred vessels, of various sizes, had also been got ready at Rotterdam, Delftshaven, and other ports.
The citizens of Leyden were, however, already becoming impatient, for their bread was gone, and of its substitute malt cake, they had but slender provision. On the 12th of August they received a letter from the Prince, encouraging them to resistance, and assuring them of a speedy relief, and on the 21st they addressed a despatch to him in reply, stating that they had now fulfilled their original promise, for they had held out two months with food, and another month without food. If not soon assisted, human strength could do no more; their malt cake would last but four days,