What happened on September 19?

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  Grey Alien UFOs

  An alien about one meter tall with gray skin, a large head and black almond-shaped eyes. The most typical image of an alien, it spread through abduction accounts such as the Hill case of the 1960s.

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  Betty and Barney Hill Abduction UFOs

  The 1961 incident in which an American couple, the Hills, said they were taken aboard a UFO during a night drive and examined by aliens. Their memories were said to have resurfaced under regression hypnosis, and it became the prototype of "alien abduction."

Events based on the old lunar calendar, or festivals whose dates vary by year, are shown on approximate dates.