Count Camillo di Cavour was instrumental in the unification of Italy in the 19th century. As the Prime Minister of the Kingdom of Sardinia, Cavour played a crucial role in orchestrating political alliances and military strategies that fostered unification. He skillfully negotiated treaties, such as the alliance with France during the Second Italian War of Independence, leading to significant territorial acquisitions. Cavour was also a key figure in the diplomatic maneuvers that built support among various Italian states for the unification cause. His vision for a united Italy was realized in 1861 with the proclamation of the Kingdom of Italy, transforming the political landscape of the region.