Well we both know my money would be on a group of subversives that have been thrown out of over a hundred nation-states for fomenting revolution.

However on the other hand, I do know that the conspiracies hammered out by secret societies like the Illuminati and Freemasons all over Europe that had been talked in whispers about overthrowing the contemporary authorities for a decade leading up to the French Revolution are well documented by scholars of the time, and I'm not sure whether the two threads are intertwined.