Dada () or Dadaism was an art movement of the European avant-garde in the early 20th century, with early centres in Zürich, Switzerland, at the Cabaret Voltaire (in 1916), founded by Hugo Ball with his companion Emmy Hennings, and in Berlin in 1917. New York Dada began c. 1915, and after 1920 Dada flourished in Paris. Dadaist activities lasted...