burg prince extended to the immediate vicinity of Constance. Frederick, who had become a mortal enemy of the house of Luxemburg, was by no means unwilling to frustrate the plans of Sigismund and to render the council abortive. Probably immediately after his renouncement, Cossa determined to leave Constance and to fly to Schafhausen, the nearest city within the territory of Duke Frederick. He was, however, obliged to act with great caution. It was rumoured at Constance that he intended to leave the city, and this rumour was intensified by the fact that he refused to conform to the formalities necessary to render his renunciation absolute, and thus obstructed the proceedings of the council. This caused great indignation among the members of that assembly, and at one of its meetings the Bishop of Salisbury is said to have declared that Cossa deserved to be burnt at the stake. According to Dietrich of Niem, Cossa made another offer of money to Sigismund, and on being questioned by the emperor with regard to his future plans formally protested that he had no intention of leaving Constance before the council was dissolved. The cunning Italian did not think it necessary to add that, according to his belief, his own departure would necessarily entail the dissolution of the council.
On March 20 Baldassare Cossa effected his escape. He had settled in accord with Duke Frederick that a tournament, under the auspices of the duke, should on that day be held outside the walls of Constance. While all the citizens were watching the proceedings, Cossa made his escape, riding in disguise to Ermattingen, whence a boat that was waiting conveyed him to Schafhausen. Duke Frederick followed him as soon as he was able to leave the place of tournament without attracting attention, and joined him at Schafhausen. Their departure caused a panic at Constance, and it seemed probable for a moment that the council would break up. The papal soldiers who guarded Hus left the city shortly after their master, but Sigismund, as will be mentioned later, did not use
