The actual de facto enlightenment was talk and writing circulating around Paris. And beyond those Paris salons and bookstalls, and beyond a scattering of royal courts in the countryside, beyond the publication of encyclopedias, beyond the career of Voltaire's enthusiasms and disappointments, or beyond Jefferson's admiration for a few French discussions (and maybe his enthusiasm for fashionable Republican haircuts), was there really much to it? Apparently, the answer is "no." The "Enlightenment" was no Glorious Revolution or Good Old Cause. The "Enlightenment" was no American Revolution. And so on.
Did the Enlightenment end in the French Revolution? And was the French Revolution the Enlightenment's apotheosis, or its antithesis? After the Enlightenment, did Newton's laws of motion expire? Did Force no longer equal the product of Mass and Acceleration (F≠MA)? and so on...
It might be interesting to see if Kant originally coined the phrase in his essay "What is Enlightenment?" And, if so, what was he getting at politically, or how was he attempting to parse the history of his time?
My point here is that "The Enlightenment" isn't used by historians. It is a phrase that is used by people in Philosophy and English, and I suppose the Social Sciences. That is, it is used by people who are prone, because of their professional orientations, to see history focused (and distorted, one wonders) through the prisms of their own subjects.
But let's return to the historians:
The historians of European history refer to the period as the "Age of Absolutism," which is marked (like "The Enlightenment") by 1688 and 1789. That is, by the Glorious Revolution and the publication of Locke and Newton's books, at one end, and, at the other end, by the French Revolution.
After the period of the French Revolution, the next period is described by historians as the Age of Nationalism, I believe.
For example, consider the remarks of reviewer Robert Kleinberg:
Many sections are long-winded and dull, culminating in tangles like this:
"Government was relevant to the social classes because it required their support and because the policies it adopted affected their destinies, but government was also independent of its social base because of the specifically political dimension - external and internal security - in its policies."
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