Comet Kohoutek will bring a doomsday

David Berg : religious leader
Berg, the leader of Children of God, predicted that there would be a colossal doomsday event heralded by Comet Kohoutek

David, Moses (September 8, 1973). "THE CHRISTMAS MONSTER". Retrieved 2011-10-03. ML#269 – The Children of God; ""40 DAYS!" — And Nineveh Shall Be Destroyed! (Jonah 3:4) — MO". November 12, 1973. Retrieved 2011-10-03. ML#280 – The Children of God