Would it be possible, one day, to be easy with “La Terreur” ( “The Terror”)? Three recent books are dealing with this term, always in the core of our memory and our culture, inviting to understand the time of its refurbishing, the French Revolution. The question exceeds the boundaries of erudition and curiosity, even the very specialists of this period. “The Terror” is, from a long time, a tool for understanding global history, as well for historical philosophy; the word is useful for interpreting the meaning of History and describing various events at any time and in any place. “The Terror” is an extraordinary case allowing to study how History is written at its birth.