Francis Fukuyama's "end of history" thesis – proposed in a 1989 essay, elaborated in a 1992 book – was the most influential attempt to make sense of the post-cold-war world. In a new afterword to "The End of History and the Last Man", Fukuyama reflects on how his ideas have survived the tides of criticism and political change.

It begins:

In the seventeen years that have passed since the original publication of my essay, "The End of History?", my hypothesis has been criticised from every conceivable point of view. Publication of the second paperback edition of the book The End of History and the Last Man gives me an opportunity to restate the original argument, to answer what I regard as the most serious objections that were raised to it, and to reflect on some of the developments in world politics that have occurred since the summer of 1989.

Let me begin with the question: what was the "end of history"?