 After the partition of the Illyrian kingdom in 1849, the Margravate of Istria became a subdivision of the Austrian Littoral crown land.It received considerable autonomy as a crown land in its own right with the establishment of the Diet of Istria at Parenzo by the 1861 February Patent.The title was held afterwards by the Habsburg monarch and the "Margrave of Istria" was included in the grand title of the Emperor of Austria.