But maybe the French revolution?
Hm
http://freepages.rootsweb.com/~turcault/family/vendee/genocide.htm
The Vendean rebellion was a climax in the history of the French Revolution. Because of the obstinate, determined resistance of the Vendeans the Jacobins escalated their policy of terror, not only sentencing individuals regarded enemies of the people, but pursuing a policy of genocide. This escalation of violence brought the downfall of Robespierre, the Jacobins, the Convention. Many reforms the Vendeans had revolted against were still in force; but the fight had been extremely costly in human lives (over 200,000 dead). The CONCORDATE Napoleon signed with the pope in 1801 restored the Catholic church in France.
https://www.britannica.com/event/Wars-of-the-Vendee
Wars of the Vendée, (1793–96), counterrevolutionary insurrections in the west of France during the French Revolution. The first and most important occurred in 1793 in the area known as the Vendée, which included large sections of the départements of Loire-Inférieure (Loire-Atlantique), Maine-et-Loire, Deux-Sèvres, and the Vendée proper. In this fervently religious and economically backward region, the Revolution of 1789 was received with little enthusiasm and only a few minor disturbances. The first signs of real discontent appeared with the government’s enactment of the Civil Constitution of the Clergy (July 1790) instituting strict controls over the Roman Catholic church.
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