The Enlightenment did not begin in Europe, but on the island of Madagascar, in the late seventeenth century, when it was home to several thousand pirates. This was the Golden Age of Piracy, but it was also, argues anthropologist David Graeber, a brief window of radical democracy, as the pirate settlers attempted to apply the egalitarian principles of their ships to a new society on land. From the author of 'The Dawn of Everything'.