Austria

1957 The 50th Anniversary of the Austrian Post Bus System

1957 The 25th Anniversary of the Death of Anton Wildgans

1957 The 100th Anniversary of the Birth of Dr. Julius Wagner-Jauregg

1957 Memorial Stamp for Theodor Körner

1956 Help to Hungarian Refugees

1956 Day of the Stamp

1956 The 300th Anniversary of the Birth of Fischer von Erlach

1956 The 23rd International Congress of Urban Planning, Vienna

1956 The 5th World Energy Conference – Vienna 1956

1956 Austria’s Admission to the United Nations