Vostell initiated further happenings, among others 9-Nein-dé-coll/agen in Wuppertal in 1963, the Happening You in New York in 1964 and others in Berlin, Cologne, Wuppertal and Ulm. In 1963 Wolf Vostell became a pioneer of video art with the installation 6 TV Dé-coll/age in the collection of the Museo Reina Sofía Madrid and with the video Sun in your head. In 1965 he took part in the 24-hour happening at the Galerie Parnass in Wuppertal. In 1967 he dealt with the Vietnam War in the happening Miss Vietnam. In 1968, in collaboration with the composer Mauricio Kagel and others, he founded Labor e. V., which was to research acoustic and visual events.