No, in Nuremberg is a reference to the Nuremberg Trials, which were a series of trials held by the Allied forces after World War II. The trials were held in Nuremberg, Germany and were used to prosecute Nazi war criminals for their actions during the war. The answer to the crossword puzzle, NEIN, is the German word for 'NO, ' which was the answer given by the defendants when asked if they accepted responsibility for their actions.