Events relating to austria
Franz Lehár's operetta The Merry Widow opens in Vienna at the start of an immensely successful run
The first part of the Post Office Savings Bank in Vienna is completed, to the designs of Otto Wagner
A pediatrician in Vienna, Clemens von Pirquet, describes a condition for which he coins the term 'allergy'
Hitler's mother Klara, to whom he was devoted, dies at the age of forty-seven
Austrian scientist Clemens von Pirquet discovers a diagnostic test to identify tuberculosis in a patient
Without financial support from his mother, Hitler ekes out a meagre living painting postcards and advertisements
Austria annexes Bosnia-Herzegovina, in response to the policy of the Young Turks in Istanbul
Modernist architect Adolf Loos attacks architectural ornament in Ornament and Crime
Arnold Schoenberg abandons tonality in his String Quartet No. 2
Arnold Schoenberg composes his opera for a single voice, Erwartung, which remains unperformed until 1924 in Prague
Karl Landsteiner classifies the main human blood groups as A, B, AB and O
Alban Berg and Anton Webern follow Schoenberg in developing atonal music
The Snowman, a pantomime opera by the 11-year-old Erich Korngold, is a huge succes in Vienna
The Steiner House, designed by the Austrian architect Adolf Loos, is completed in Vienna
Alfred Adler ends his association breaks with Sigmund Freud and forms his own school of psychology
Austrian artist Gustav Klimt completes his designs for mosaics in the Palais Stoclet in Brussels
Egon Schiele's highly explicit images of nudes land him briefly in gaol
Arnold Schoenberg sets Pierrot Lunaire for a solo voice, reciting the text to the accompaniment of a quintet
Hitler moves to Munich to begin a new life, and in an attempt to avoid Austrian military service

Bernard Shaw's Pygmalion has its first performance – in a German version in Vienna
Summoned to Austria for military service, Hitler is rejected as being physically unfit
Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, is assassinated in Sarajevo by a Serbian nationalist, Gavrilo Princip
Austria-Hungary plans to attack Serbia, in response to the assassination of the archduke, and seeks a guarantee of German support
Germany promises to support Austria-Hungary if a strike against Serbia provokes war with Russia
Austria-Hungary declares war on Serbia, following this with bombardment of the Serbian capital, Belgrade