 Carinthia remained a State of the Holy Roman Empire until its dissolution in 1806, though from 1335 it was ruled within the Austrian dominions of the Habsburg dynasty.A constituent part of the Habsburg Monarchy and of the Austrian Empire, it remained a Cisleithanian crown land of Austria-Hungary until 1918.By the Carinthian Plebiscite in October 1920, the main area of the duchy formed the Austrian state of Carinthia.