Which event is most closely associated with the french revolution

The most closely associated event with the French Revolution is the "Reign of Terror".

The era of the Reign of Terror started in 1793 and ended in 1794 with the fall of Robespierre.
The number of official death sentences in France in the period from June 1793 till July 1794 was estimated to be 16,594.
However, the total number of death in France during this period was much higher. People died due to imprisonment or suicide, or they were just casualties in both civil and foreign wars.