The philosophical movement of the Enlightened is one of the causes of the French Revolution.
The ideas of the Enlightened (Voltaire, Rousseau) on Freedom and Equality paved the way for the French Revolution.
Many representatives of the Third Estates (Robespierre, Danton) were found of the Enlightened ideas. They believed in a society with more equality, without the absolute power of king over the rest of the population.