TIL that during the 1902 Hanoi Rat Massacre, the French government paid a bounty for rat tails, but instead of reducing the population, residents began breeding rats to cut off their tails for profit.

https://www.atlasobscura.com/articles/hanoi-rat-massacre-1902
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1sxo1bc/til_that_during_the_1902_hanoi_rat_massacre_the/