Before that, the state was divided into several states and in the Congress of Vienna, Austria annexed Lombardy-Venetia.
In the 1859, the Kingdom of Piedmont, ruled by the liberal
monarchy of Savoy with the Primer Minister Cavour, started the unification. Then in the 186, Victor Manuel II of Savoy proclaimed was proclaimed king of Italy. By the 1866, Austria left Venetia and in the 1870, were created the Papal states and Rome became