From Martin Schönfeld’s entry in the Stanford Encyclopaedia of Philosophy on Kant’s philosophical development:

Modern thought begins with Kant. The appearance of the Critique of Pure Reason in 1781 marks the start of modern philosophy, and Kant’s ideas have helped to shape global civilization. Today his texts are read on all continents. Although Kant is in the same league as Confucius or Aristotle…

I’ve got some relatives who have spent time in Antarctica, but I’ve never heard them talk about the Kant scholars down there. More seriously, there’s more than a few Descartes, Locke, Leibniz, Hume, Berkeley, Reid and Rousseau scholars who might dispute that modern philosophy begins with CPR, and a few million Americans who would probably dispute that there was no modern thought before Kant.