What happened on February 23?

• 

  Kofu UFO Incident UFOs

  An incident in 1975 in which two elementary school boys in Kofu, Yamanashi Prefecture, said an alien emerged from a UFO that landed in a vineyard and tapped one of them on the shoulder. It is known as Japan's best-known close encounter with aliens.

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