The town of Bibbiena had experienced her share of these vicissitudes. Subject at one time to the Prince Bishop of Arezzo, the town was besieged and appropriated by the Republic of Florence, snatched back by members of the powerful Tarlati family, and reconquered by Florence thirty years later. For its vicinity to Florence, combined with its comparative remoteness, made Bibbiena a dangerous neighbour in times of warfare. This was especially the case after the expulsion from Florence of the Medici in 1494, when Piero, the eldest son and successor of Lorenzo the Magnificent, with his brothers and others, sought the help of Venice. An army of Venetians invaded the Casentino, and made Bibbiena its headquarters. The Florentines, having secured the help of the Sforza of Milan, in their turn invaded the Casentino, laying siege to Bibbiena, and the Venetian army was caught as in a trap. Bibbiena fell, and all possibility of her harbouring the enemies of Florence in the future was removed by the entire demolition of her town walls. The Medici escaped. Piero, whom his father designated as the “fool,” threw himself into the arms of the Borgia and perished a few years later; Giovanni, Lorenzo’s “clever” son, who was a cardinal at the age of thirteen, and afterwards Pope Leo X., left Italy to seek solace by travelling in Germany, Flanders and France; and the third brother, the spirited and gifted Giuliano, called by his father the “good,” a few years later was staying at the Court of Urbino, together with the devoted friend of the family, Bernardo Divizio, afterwards Cardinal Bibbiena. And these streets had seen him often, in obscure youth and again in the pride of successful manhood, Bernardo Divizio, surnamed Bibbiena, true representative of the spirit of the late Italian Renaissance, with its boundless faith in its own wisdom. Author of that most spirited and most licentious comedy, the _Calandra_, _maître-de-plaisir_ at the court of Leo X., patron of Rafael, self-conscious, versatile, handsome, with glowing eye and scornful lip, he lives in the portrait which Rafael painted of him. Count Baldassare Castiglione, in his famous analysis of the _Perfect Courtier_, introduced Bibbiena as the man of mirth and wit. Paolo Giovio, the historian, to whose facile pen posterity owes so many biographies, says much in praise of him. Bembo addressed to him some of his most pleasing letters, and all accounts corroborate the impression produced by Bibbiena’s writings as they lie before us, and by the man’s portrait as it hangs in the Pitti, painted by one of the greatest artists the world has known.