In the 1920s the world was in free fall. The First World War had ended in 1918, the same year that saw the beginning of the deadly Spanish Flu pandemic. Both the war and the flu created unprecedented social calamity. It was the end of conventional role models in society and marriage, and the beginning of minority participation in politics and culture. For its reopening, the Kunsthaus examines the Roaring Twenties, which brought together influential schools of thought: the Bauhaus, Dada, the New Objectivity, and more. —E.C.