" Aug. 17. Her obsequies 219 1472-1474. Federigo at home 219 1474. Aug. 20. He goes to Rome 220 " " 21. Is invested with the ducal dignity 220 " " " And is made Gonfaloniere of the Church 221 " " Obtains the Golden Rose 221 " " The marriage of his daughters Giovanna and Agnesina 222 " Sept. 11. Is invested with the order of the Ermine at Naples 223 " " And with that of the Garter at Grottoferrata 224 " Cardinal Giuliano della Rovere sent against Città di Castello 225 " Nov. 2. A new league 225 " Federigo's patronage of learned men 225 1475. Books dedicated to him 227 " Curious letter to him from the Priors of Arezzo 228 " Testimony of Vespasiano 231 " And of Giovanni Sanzi 231 CHAPTER XI 1476. Dec. 26. Assassination of Duke Galeazzo Maria Sforza 234 " His character by Sanzi 235 1477. Federigo prepares to march upon Milan, but attacks Jan. Montone 236 1473. Count Girolamo Riario invested with Forlì and Imola 236 " He is betrothed to Caterina Sforza 236 " Her education and character 237 1477. Their marriage 237 " The friendship of Sixtus for Lorenzo de' Medici soon interrupted 237 " Revolutions in Florence usually sprang from family feuds 239 " Origin of the Pazzi conspiracy 239 1478. April 26. It explodes; Giuliano assassinated 240 " Italian conspiracies and politics 241 " The Pope is compromised 242 " Lorenzo appeals to his fellow citizens 243 " The parties to a new war in Tuscany 243 " The Duke's letter to an astrologer 244 " The campaign narrated by Federigo 245 " He breaks his leg 247 " Dec. 23. He goes to the baths of Petriolo 247