On the morning of July 1, 1916, prominent members of Viennese high society gathered in a large imperial park not far from the center of Vienna. This park, the Prater, had been the site of many fairs, exhibits, and festivals in the nineteenth and early twentieth centuries. It accommodated the World's Fair in 1873 and since then had housed circuses, variety shows, children's exhibits, and the Luna Park amusement complex. The Prater was a favorite destination of Viennese of all classes in search of recreation and entertainment. On this particular morning, those in attendance were more notable than usual; they included Archduke Franz Salvator, War Minister Alexander Krobatin, Education Minister Max von Hussarek, the Austrian defense minister, ambassadors of several allied countries, and local and regional government officials. They were on hand to celebrate the grand opening of what sponsors promised would be an exhibition unlike any Vienna had ever seen. At eleven o'clock, the prestigious entourage entered the first hall of the grandest entertainment spectacle of the wartime home front: the Vienna War Exhibition.