"Great Days of the Constitutional Institution" is an outstanding work of the historian Albert Mathieu about the events of the Great French Revolution. In his book, the author examines in detail the work of the Constitutional Institution - the body that created the Constitution of 1791 and laid the foundations of the modern French republic. Mathieu reveals the main decisive moments, intrigues and contradictions that arose during the discussion and adoption of constitutional laws. This book is not only a historical narrative, but also a study of the processes of formation of democratic institutions after the fall of the monarchy. "Great Days of the Constitutional Institution" is a valuable source for understanding the emergence of the modern constitutional order and political transformations in revolutionary times.