Giuseppe Mazzini was a visionary leader who played a critical role in the unification of Italy. He founded the secret society ‘Young Italy’ to inspire youth and instill nationalist sentiments. Mazzini advocated for a unified Italian Republic, opposing the fragmented states under foreign rule. His writings and activities inspired revolutionaries and nationalist uprisings, particularly during the Revolutions of 1848. Although his military attempts were not always successful, his ideals laid the foundation for later leaders like Cavour and Garibaldi to achieve unification.