Today Austria is celebrating the day of the Declaration of Neutrality. On October 26, 1955 the Austrian Parliament declared the country permanently neutral. This declaration was the direct consequence of the allied occupation by the Soviet Union, the United States of America, the United Kingdom and France between 1945 (end of World War II) and 1955 from which the country was freed by the Austrian State Treaty on May 15 the same year.
Traditionally, on this holiday the Parliament, the Federal Chancellery and the Office of the Federal President are open to the public. In addition a lot of museums are offering free entry and on Heldenplatz in the city center there´s a competitive exhibition of the Austrian Armed Forces - that´s were I took this photo on sunday when the preparations were still going on.