Step 1 : Introduction to the question "When is World UFO Day celebrated?"
...World UFO day takes place every year of July 2nd to mark the anniversary of the supposed UFO crash near Roswell, New Mexico, U.S.A., in 1947. While UFOs were the subject of curiosity for many years, there are now professional ufologists who spend their lives studying the reported sightings of unknown aerial craft. The purpose of the World UFO Day celebrations is to spread awareness about the existence of and witness accounts of UFOs. UFOs. Source: Newsd.in
Step 2 : Answer to the question "When is World UFO Day celebrated?"
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