A ruler of this city titles a book by Marcello Simonetta, which uses a codebook written by Cicco Simonetta to argue that he and Sixtus IV masterminded the Pazzi Conspiracy. After succeeding his brother Oddantonio, a ruler of this city expanded a dukedom created by Pope Eugene (10[1])IV by supposedly being undefeated in battle. Because he possessed a massive library, a ruler of this city was nicknamed the “Light of (10[1])Italy.” (10[1]-5[2])A Mantuan (10[1])duchess of this city, Elisabeta (10[1])Gonzaga, leads discussions of sprezzatura in Baldassare Castiglione’s (“CAH-steel-YOH-nay’s”) Book (-5[1])of the Courtier. (10[1]-5[1])After a (10[1])jousting tournament, a ruler of this city had the bridge of his nose flattened, (10[2])as seen in a diptych (“DIP-tick”) of him in red (-5[1])facing his wife (10[1])Battista (10[2])Sforza. (10[1]-5[2])For (-5[1])10 points, (-5[1])the condottiere (-5[1])Federico (-5[1])Montefeltro ruled what (10[1])city, whose lavish Ducal Palace houses paintings by its native son Raphael? ■END■ (10[5]0[6])