also joined the Imperial army, as in the case of the Hungarian campaign of Maximilian II, Holy Roman Emperor against Suleyman the Magnificent in 1566. While they were excluded from the Reichstag, the Italian states were still considered vassals of the emperor, like other states of the empire, and thus subject to certain obligations and jurisdiction. A special Italian section of the Reichshofrat was created in 1559. It handled 1,500 cases from Imperial Italy between 1559 and 1806 (out of 140,000 total), with most of those cases coming from later dates.Wilson 2016, p. 225. Italian states provided significant support in all of the Empire's wars in this time, either under their own princes or as part of the Habsburg territories (such as the Free Imperial City of Trieste, the County of Gorizia and Gradisca, the Duchy of Milan, and later the Grand Duchy of Tuscany). Unlike most of the German states, the Imperial Italian contributions bypassed the Reichstag and other institutions and went directly to the Imperial army and treasury. The Italian states were in large part autonomous, but their lack of representation gave the emperor greater ability to act autonomously with the Italian principalities than the German ones, such as when he decided to simply add the Grand Duchy of Tuscany (officially an imperial fief) to his family's lands after the extinction of its ruling line.Wilson 2016, p. 226. Aside from Trent, Piedmont-Savoy was the only independent Italian state represented in the Reichstag and also the only one to be part of the circle system (being within the Upper Rhenish Circle; the Habsburg possessions of Trieste and Gorizia-Gradisca were within the Austrian Circle, as was Trent). Thus despite being opposed to the Habsburg family, it still emphasized its imperial privileges to establish itself as suzerain over smaller surrounding lordships. In 1696, the emperor raised Savoy to grand duchy status, and in 1713 the grand dukes of Savoy also became kings through their holdings outside the Empire (first crowned the Kings of Sicily in 1713, swapped in 1720 for the title of King of Sardinia).Wilson 2016, p. 226-227, p. 749. Imperial authority was used by the Austrian Habsburgs to intervene in Italy during the War of Mantuan Succession phase of the Thirty Years' War and to take control of vacant Italian imperial fiefs during the European Wars of Succession of the 18th century: following the extinction of the Spanish Habsburgs