Giuseppe Garibaldi is well-known for playing a central role in the unification of Italy in the 19th century. A military leader and nationalist, Garibaldi led various campaigns, most notably the Expedition of the Thousand in 1860, where he successfully mobilized volunteers to conquer Southern Italy and Sicily. His efforts complemented the strategies of other key figures, such as Count Camillo di Cavour and King Victor Emmanuel II. Garibaldi's passionate commitment to the unification movement, along with his charisma and military prowess, made him a national hero and symbol of Italian unity, contributing significantly to Italy's eventual unification in 1861.