Famous historian, jurist, and Italian diplomat. He was born in Florence in 1483 and died in 1540. He was Ambassador of his country in time of Fernando V, King of Castile and Aragon. After obtained the Government of Modena and Reggio. Later he obtained from Romania, who had to pacify and purge of the many villains that ravaged it. With the title of lieutenant general of the Holy See, he received the command of the Papal troops and Parma defended against the French. Compatriots you also relied on the famous black bands, which commanded by Juan de Médicis. Finally, Pope Clement VII commissioned him quell an insurrection in Bologna and fix his administration, after which withdrew completely from public life, focusing only on the wording of its great history of Italy, which has made their illustrious name.