We are an astonishing species. Over the past millennium of plagues and exploration, revolution and scientific discovery, woman's rights and technological advances, human society has changed beyond recognition. Sweeping through the last thousand years of human development, Human Race is a treasure chest of the lunar leaps and lightbulb moments that, for better or worse, have sent humanity swerving down a path that no one could ever have predicted. But which of the last ten centuries saw the greatest changes in human history? History's greatest tour guide, Ian Mortimer, knows what answer he would give. But what's yours?