Nah, not the nuclear holocaust and suspected war crime that he inflicted on Japanese villages . . . The other tragedy of world history where he actually helped with restorative justice that, sadly, remains mired in conflict to this day.
Here's a more thoughtful perspective and reference . . .
It happened in the 1930s, when movie houses showed newsreels between the movies. On one particular Saturday, a Kansas City teenager sat down in a theater with her mother, grandmother and aunt. A newsreel began, detailing the latest outrages being perpetrated against European Jews.