1910 Mahler's 'Symphony of a Thousand'
Gustav Mahler conducts in Munich the first performance of his Eighth Symphony, subsequently known as the 'Symphony of a Thousand'

1911 Hoffmansthal's Everyman
Hugo von Hofmannsthal adapts the English medieval morality play Everyman ('Jedermann') for performance in Salzburg

1911 Das Lied von der Erde
Bruno Walter conducts in Munich the first performance of Mahler's Das Lied von der Erde, a few months after the composer's death

1915 July 30 Flame thrower used in action
The Germans make their first effective use of a new weapon, the flame thrower, in an attack on the British in the second batte of Ypres

1916  May 31 Rival fleets clash off Jutland
The German and British fleets clash off Jutland, in a hard-fought but inconclusive encounter

1917 Klemperer is music director at Cologne
Otto Klemperer starts a seven-year spell as music director of Cologne opera, and begins to acquire an international reputation

1922 Furtwängler conducts in Berlin
The German conductor Wilhelm Furtwängler is appointed to the Berlin Philharmonic, and spends most of the rest of his life with the orchestra

1923 Hindemith's Das Marienleben
Paul Hindemith sets Rainer Maria Rilke's song-cycle Das Marienleben

1927 First collaboration between Brecht and Weill
Bertolt Brecht and Kurt Weill write Mahagonny Songspiel for the Baden-Baden music festival

1928 Threepenny Opera
The Threepenny Opera, by Bertolt Brecht and Kurt Weill, opens to great acclaim in Berlin

1930 The Blue Angel
Joseph von Sternberg directs Marlene Dietrich in the film The Blue Angel, shot in both German and English, making her an immediate international star