by Armand Vaquer
Yes, for some it is. For others, World UFO Day is celebrated on June 24.
According to Wikipedia:
World UFO Day is an awareness day for people to gather together and watch the skies for unidentified flying objects. The day is celebrated by some on June 24, and others on July 2. June 24 is the date that aviator Kenneth Arnold reported what is generally considered to be the first unidentified flying object sighting in the United States, while July 2 commemorates the supposed UFO crash in the 1947 Roswell UFO Incident.Back in the late 1960s, I was a member of the Science-Fiction Book Club. Several of their book offerings were books on unidentified flying objects. The first UFO book I bought through them was Flying Saucers--Serious Business. I still have the book. I have since bought several other books on UFOs in the ensuing years.
The Roswell incident has been a continuing controversy ever since.
There is an official website for World UFO Day. To see it, go here.