International audienceThis study is a legal analysis, objective and critical, of the first two republican Constitutions that followed the French Revolution and the end of the French monarchy. Under more than two centuries of French constitutional history, are examined the consistencies and inconsistencies that have marked these legal texts and their circumstances. Each Constitution appears in some aspects modern, but also in other aspects archaic. Nevertheless, the 1790s are the most fundamental point in modern history of the French public law.La présente étude est une analyse juridique, apolitique, objective et critique des deux premières Constitutions républicaines à avoir succédé à la Révolution française et à l’abolition, en 1792, de la...