Short answers, pulled from the story.
The War in the Vendée began on the 1st of March 1793 as a direct rejection of the mass conscription edict issued by the National Convention. Local nobility, clergy, and peasants took up arms against the decree requiring them to fill quotas for the national total of 300,000 men.
Jacques Cathelineau and Jean-Nicolas Stofflet led bands that seized Saint-Florent-le-Vieil on the 12th of March 1793. Henri de la Rochejaquelein commanded forces that captured Bressuire on the 3rd of May 1793 while Louis Marie de Lescure fought at the Battle of Thouars on the 5th of May 1793.
On the 1st of August 1793 the Committee of Public Safety ordered Jean-Baptiste Carrier to carry out pacification through complete physical destruction. From January to May 1794 twelve infernal columns under general Louis Marie Turreau marched through the area to eliminate brigands to last man.
Estimates for the number of people killed range between one hundred seventeen thousand and four hundred fifty thousand out of a population around eight hundred thousand. The conflict intensity lasted from 1793 to 1799 when it was suppressed but later broke out spasmodically.
The third war occurred in 1799, the fourth in 1815, and the fifth in 1832 though these were much smaller scale than the initial conflict. On the 16th of July 1796 the Directory proclaimed the official end of the war while state of siege was raised on the 30th of July.