Aeneas Silvius Piccolomini

Aeneas Silvius Piccolomini, who became Pope Pius II from 1458 to 1464, was a noted humanist and scholar before his papacy. He is known for his attempts to mobilize a Christian crusade against the Ottoman Empire and for his literary contributions, including the famous autobiographical work 'Commentarii.' His time as pope was marked by political aspirations and the desire to strengthen Christian unity against external threats.