Final answer:
The starting and ending dates of the Reign of Terror during the French Revolution are 1793-1794.
Step-by-step explanation:
The starting and ending dates of the Reign of Terror during the French Revolution are 1793-1794. The Reign of Terror was a period of extreme violence and repression by the revolutionary government against perceived enemies. It was characterized by the use of the guillotine to execute thousands of people, including prominent figures like Maximilien Robespierre. This period marked a turning point in the French Revolution, leading to a more conservative government and eventually the rise of Napoleon Bonaparte.