World UFO Day is observed annually on July 2nd to raise awareness about unidentified flying objects (UFOs) and celebrate the possibility of extraterrestrial life visiting Earth. The date was chosen to coincide with the anniversary of the alleged UFO crash in Roswell, New Mexico, in 1947, a pivotal event in UFO lore. On this day, enthusiasts gather worldwide to discuss UFO sightings, share theories, and participate in skywatching events to observe the skies for any unusual aerial phenomena.