Claim: In 20th Berlin International Film Festival, there are 27 Films included in competition and some of it are: A Test of Violence, Dionysus in '69 and The Howl.
Evidence: 20th Berlin International Film Festival Klann – grand guignol West Berlin, Germany 1951 26 June – 6 July 1970 The 20th annual Berlin International Film Festival was supposed to be held from 26 June to 7 July 1970. The festival opened with Klann – grand guignol by Patrick Ledoux. However, on 5 July the competition was cancelled and no major prizes were awarded, due to a controversy surrounding the participation of Michael Verhoeven's anti-war film o.k. Days and Nights in the Forest A Test of Violence The Baby in the Tree A Baltic Tragedy Black Out Borsalino Apart from Life Dionysus in '69 Jackal of Nahueltoro  A Swedish Love Story The Conformist  The Howl Eden and After A Girl Called Jules The Time to Die The Inheritors The Prophet of Hunger o.k. The Customer of the Off Season Of Gods and the Undead Out of It Rembrandt Outlawed  Why Does Herr R. Run Amok? How I Became a Negro