There have been many predicted doomsday scenarios in history, but so far these have all been end of the world theories that failed. Whether it was the Prophet Hen of Leeds (a hoax where a chicken lay eggs with “Christ is coming” written on them), the theory that the world would end because Halley’s Comet was passing by, or the founder of Mormonism Joseph Smith saying that the End Times were imminent (in 1835), these are some of the dumbest doomsday theories. WatchMojo counts down ten false end of the world prophecies.