11. Killing Stray Cats and Dogs

In an effort to halt the spread of the plague, authorities ordered the mass killing of stray cats and dogs, mistakenly believing these animals were to blame for the outbreak. This policy backfired, as it led to a rise in the rat population—the true carriers of plague-infested fleas. By disrupting the natural balance, this measure tragically worsened the crisis. Learn more about the origins of the plague



