the first show trial was in 1936 and involved the leaders of the left opposition, Kamenev and Zinoviev and fourteen supporters
when did it happen
1936
the sixteen spent a year in prison beofre their trial and were charged with Kirov's murder and the attempted sabotage of the 5 year plans in orderto overthrow the governemnt
43 of their allies in the upper ranks of the communist party disappeared afterwards