University of Graz general policy is not influenced by these connections. To demonstrate the university's independence and its shift of focus, the Christogram IHS on the very top of the university's seal has been replaced with the sun, symbolising the Enlightenment and von Humboldt's ideas.<ref name="motto/hymn"></ref> University of Graz The University of Graz (), located in Graz, Austria, is the largest and oldest university in Styria, as well as the second-largest and second-oldest university in Austria. The university was founded in 1585 by Archduke Charles II of Austria. The bull of 1 January 1586, published on 15 April 1586, was approved by Pope
Graz in which the peasantry is taught how to organize and fight in the case of an invasion. With a strategic location at the head of the open and fertile Mur valley, Graz was often assaulted (unsuccessfully), e.g. by the Hungarians under Matthias Corvinus in 1481, and by the Ottoman Turks in 1529 and 1532. Apart from the Riegersburg Castle, the Schlossberg was the only fortification in the region that never fell to the Ottoman Turks. Graz is home to the region's provincial armory, which is the world's largest historical collection of late medieval and Renaissance weaponry. It has been preserved