Stefan Zweig's World of Yesterday captures how much of a shock it was to move from the progress-and-civilisation of his corner of the nineteenth century to the fake-news[1]-and-senseless-violence[2] of the twentieth (Zweig hung on after the first barbaric shock, but gave up after the second. I think Schachnovelle pretty much captures the mood he must've been in.)

https://news.ycombinator.com/item?id=23777984

[1] https://news.ycombinator.com/item?id=23895444

[2] we're all familiar with this; I had had better hopes for the twenty-first...