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How many people were arrested and executed during the Reign of Terror?

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During the Reign of Terror, which took place from 1793 to 1794, approximately 300,000 people were arrested as suspects.12

Regarding executions and deaths:
* Official executions: About 17,000 individuals were tried and executed by the state.12
* Deaths without trial: An additional 10,000 to 23,000 people died while in prison or were killed without a formal trial.12

The guillotine served as the primary instrument for these state-sanctioned executions, becoming the enduring symbol of this period of the French Revolution.3