1920 Erste Internationale Dada Messe held in Berlin June 30th to August 25th The main organizer of the exhibition were "Marshall" George Grosz, "Dadasoph" Raoul Hausmann and "Monteurdada" John Heartfield Gallery owner Otto Burchard - financial Dada. Artists Johannes Theodor Baargeld Hannah Hoch - da-Dandy ~> 1919 - and Cut with the Kitchen knife ~> Hans Arp Max Ernst - Erectio sine qua non ~> - 1919 Alois Erbach, Rudolf Schlichter Johannes Baader - Photo: The great Plasto-Dio-Dada drama Georg Scholz Fritz Stuckenberg , Hans Heinz Stuckenschmidt Otto Dix - 45% Erwerbsfahig! ~> - 1920 (destroyed)- George Grosz - Germany, a winter fairy tale ~> - 1918 (lost) - Richard Huelsenbeck participated with his Dadaist novel Germany must go under. Walter Serner exhibited a photo portrait Hugo Ball's poem Caravan was printed on a sheet of the Dadaco Ben Hecht , a friend of Grosz and war correspondent for the Chicago Daily News and thus a representative of the New World , represented the international claim of the exhibition, which the organizers were pursuing. The artists' family members also exhibited, according to Max Schlichter, a brother of Rudolf Schlichter, who maintained the prominent artist restaurant "Willys" on Kurfürstendamm. Maud Grosz, George Grosz's wife, also contributed the first “Dadaist pillows”, and music critic Hans Heinz Stuckenschmidt was represented with five collages. Hans Citroen, the then 14-year-old brother of Paul Citroen from four plants. See Wiki ~> See Timeline