Claim: In 20th Berlin International Film Festival was supposed to be held from 26 June to 7 July 1970, and the Films includes in competition are A Test of Violence, Dionysus in '69 and The Howl.
Evidence: The 20th annual Berlin International Film Festival was supposed to be held from 26 June to 7 July 1970. A Test of Violence Dionysus in '69 The Howl