French Constitution of 1791
The short-lived French Constitution of 1791 was the first written constitution in France, created after the collapse of the absolute monarchy of the Ancien Régime. One of the basic precepts of the revolution was adopting constitutionality and establishing popular sovereignty.
Constitution of the Year X
Both the Constitution of the Year X and the Constitution of the Year VIII were further amended by the Constitution of the Year XII, which established the First French Empire with Napoleon as Emperor.