1479. May 23. He leaves Petriolo 247 " Defection of Roberto Malatesta 247 " The Florentines successful at Thrasimene, but worsted in the Val d'Elsa 247 " Nov. 12. Colle surrenders 248 " " Its siege painted on a _bicherna_ (note) 248 " State of the Italian artillery 248 " Notices of it by Duke Federigo 249 " Nov. 20. He goes to Siena and receives a donative 251 " " 27. A truce for three months 251 " The unfortunate position of Florence, and disorganisation of its army 251 " Lorenzo de' Medici goes to Naples to negotiate a Dec. 6. treaty 252 1480. Mar. 25. Peace proclaimed 252 " Dec. Humiliation of the Florentines before Sixtus 253 1479-1480. Intrigues of the Duke of Calabria at Siena 253 " " Federigo winters at the baths of Viterbo 253 " " He receives the Sword and Hat 253 1480. May 19. His letter to the magistrates at Siena 254 " He returns home 254 " Count Girolamo takes possession of Forlì 254 " Description of his Countess 255 1474-1479. Progress of the Turks in Europe 256 1480. Aug. 11. They take Otranto by concert with the Venetians 257 " Consequent panic in Italy, and new combinations of its powers 257 " Federigo summoned by Ferdinand, but detained by Sixtus 257 1481. May 3. Death of Sultan Mahomet 257 " Aug. 10. Otranto recovered from the Turks 257 CHAPTER XII 1481. Sixtus combines with the Venetians against Ferrara 258 " Federigo declines their offers, and vainly inculcates peace 259 1482. He is engaged to command the League in defence of April 17. Ferrara 259 " " 23. His departure for the campaign 260 " Description of the seat of war 261 " May 3. War declared by Venice 262 " " 11. The Venetians besiege Ficheruolo 262