There are a couple versions of this story. In July 1807, Napoleon signed the Treaties of Tilsit which ended the war between the French and Russia Looking to celebrate, the French proposed a rabbit hunt, asking Chief of Staff Alexandre Berthier to make it happen.
Berthier arranged an outdoor rabbit hunt and invited some of the militaries and collected a colony of rabbits. Some say Berthier took in hundreds of bunnies while others claim he collected as many as 3000. Either way, that's a lot of rabbits and Berthier’s men caged them all along the fringes of a grassy field. When Napoleon