 By the time Amadeus VIII came to power in the late 14th century, the House of Savoy had gone through a series of gradual territorial expansions and he was elevated by the Holy Roman Emperor Sigismund to the Duke of Savoy in 1416.In 1494, Charles VIII of France passed through Savoy on his way to Italy and Naples, which initiated the Italian War of 1494–98.During the outbreak of the Italian war of 1521-1526, Emperor Charles V stationed imperial troops in Savoy.