The first world war was unimaginable for many people. Then it happened again, just a generation later.
How did Europe, considered the center of civilization, devolve into belligerence and barbarity TWICE in such a short amount of time?
The Penguin History of Europe series asked that question, and historian Ian Kershaw answered, in To Hell and Back: Europe 1914-1949.
Our guest visited in 2015 to tell the story of how the dark days got so dark.