 According to the 1809 Treaty of Schönbrunn, the Upper Carinthian territories around Villach formed part of the short-lived Napoleonic Illyrian Provinces; Carinthia as a whole remained a part of the Habsburg Kingdom of Illyria until its dissolution in 1849.In 1867, the duchy became a crown land of Cisleithania, the western part of Austria-Hungary (see History of Austria).Over the centuries, the German language, which carried more prestige, expanded at the expense of Slovene, but the fact that in the 16th century the Estates of Carinthia could still point out that Carinthia was "a Windic Archduchy", i.e.