02 jully 2023: World UFO Day 2023 World UFO Day: History In 2001, WorldUFODay.com organised World UFO Day and put it together to bring enthusiasts of UFOs and to sight, the evidence gathered in support of their existence. Some celebrate this day on 24 June also. It is the date when aviator Kenneth Arnold reported a first-time unidentified flying object sighting in the United States. And 2 July commemorates the supposed UFO crash of Roswell UFO incident in 1947. Let us tell you that usually UFOs are thought to be sophisticated spaceships of alien visitors to Earth. Therefore, the term UFO can be used to refer to any type of object or phenomenon that has not been previously observed in an area. Most of the sightings of the UFO are easily explained by scientific means. So, UFOs are a constant subject of conspiracy theories around the world. In 1953, the title of UFO was originally created by the United States Air Force to record and review any instances where a flying object was logged in official reporting. UFO for replacing the prevailing terms used for unidentified objects in the skies at that time. These terms are named flying saucers and flying discs.