Nuremberg Negative refers to the Nuremberg Trials, a series of trials held in 1945-1946 in which Nazi war criminals were prosecuted for their crimes against humanity. The two crossword solutions, NIE and NEIN, are both German words meaning 'NO' or 'not.' NIE is the shorter form of the word, while NEIN is the longer form. Together, they represent the negative verdicts handed down by the court at the Nuremberg Trials.