What type of gesture does Minority languages of Austria and Austrian State Treaty have in common?
Minority languages of Austria:  Country signed the European Charter for Regional or Minority Languages on 5 November 1992 and it became effective under international law on 1 October 2001. Austrian State Treaty:  It was signed on 15 May 1955 in Vienna, at the Schloss Belvedere among the Allied occupying powers (France, the United Kingdom, the United States, and the Soviet Union) and the Austrian government.
i don't know