Description of the exhibition “Happenings and Fluxus” curated by Harald Szeemann and Hanns Sohm. The exhibition opened on November 6 at the Cologne Kunstverein. Includes a list of participating artists and a photo of Wolf Vostell’s cow being removed from the exhibition prior to the opening. Works by Vostell, Maciunas, Nitsch, Muhl, Brus, Schneeman and Hendricks described. Catalog available.