Also see https://news.ycombinator.com/item?id=27531734 https://news.ycombinator.com/item?id=27531734 - "Steven Pinker: This Is History's Most Peaceful Time–New

Also see https://news.ycombinator.com/item?id=27531734 https://news.ycombinator.com/item?id=27531734 - "Steven Pinker: This Is History's Most Peaceful Time–New Study: 'Not So Fast'" submitted by paulpauper