Europe

1975 The 75th Anniversary of the Vienna Philharmonic Orchestra

1975 The 150th Anniversary of the Birth of Johann Strauss Sohn

1975 The 50th Anniversary of the Death of Heinrich Angeli

1975 Judo World Championships

1975 Landscapes of Austria

1975 The 50th Anniversary of the Death of Leo Fall

1975 The 100th Anniversary of the Birth of Ferdinand Porsche

1975 National Assembly of the Austrian Association of Retirees

1975 The 100th Anniversary of the Death of Josef Misson

1975 The 4th International Cable Car Convention