Meanwhile the quarrel between France and Spain offered new opportunities to Cæsar, since Louis needed papal support and was in no position to thwart him overmuch. He had indeed to surrender Arezzo, which had in June rebelled against Florence and called in Vitellozzo Vitelli, one of Cæsar’s captains. But in January 1502, Fermo; in June, Urbino; in July, Camerino had been occupied, while Pisa, which still held out against Florence, offered to recognise him as its lord. Finally in August, he obtained the leave of Louis to attack Bologna. | The Conspiracy of Sinigaglia. At this moment a revolt of his captains threatened to overwhelm him. The rapid success of Cæsar had awakened the apprehensions of these men. Once master of the Romagna, he would no longer need their help, and might turn against them; indeed, his negotiations with Florence at this time lead one to suspect that he had already made up his mind to destroy them. The chief conspirators were Vitellozzo Vitelli of Città di Castello, Oliverotto da Fermo, the Duke of Gravina and Paolo, both Orsini, and Gian Paolo Baglioni of Perugia. These gained the adhesion of Cardinal Orsini, Giovanni Bentivoglio of Bologna, and others. They met at Magione (October 9, 1502), near Lake Thrasimene, where they swore to be true to one another, and applied to Florence for aid. A rebellion was stirred up in Urbino, from whence Cæsar’s troops were driven, and another contingent of his was defeated at Fossombrone (October 17). A terrible retribution was, however, soon to fall upon the rebels. Louis sent Cæsar aid. The opportune death of the wealthy Cardinal of Modena, whether poisoned or no, enabled Alexander to appropriate his possessions to Cæsar’s military needs. Florence feared the hostility of Cæsar and would not help, and Venice, in spite of the exhortations of Ferdinand to seize the opportunity of freeing Italy from the tyrant, was too cautious to move. | The Massacre of Sinigaglia. Dec. 31, 1502. The confederates began to hesitate. They were unable to raise any more troops, and were divided amongst themselves. Listening therefore to the fair promises of Cæsar and the Pope, they made their peace on October 28, abandoned the cause of Bologna, and, as an earnest of their goodwill, marched against Sinigaglia. The town surrendered, but the castle refused to yield to any one but the Duke. Cæsar accordingly came to Sinigaglia (December 31), and, beguiling his captains with gracious words, suddenly pounced upon them. Oliverotto and Vitellozzo were strangled that night, the first accusing Vitellozzo of tempting him to rebel; Vitellozzo imploring Cæsar to obtain a plenary indulgence for him from the Pope. Paolo Orsini and the Duke of Gravina were executed shortly after. Cardinal Orsini was seized at Rome to die in prison, probably of poison. | Further successes of Cæsar suddenly stopped by his | illness, and the death of Alexander. Aug. 8, 1503.