The first recorded sighting would probably be by Alexander the Great 329 BC.
Velco Brien spotted the first UFO in life in 1988 he said to me it looked like a circle on the bottom and a half sphere on the top with tons of lights
Reagen.
There is absolutely no way to know. UFO's have been visiting our planet for thousands of years. If science is correct, our brothers that lived in caves would have been the first humans to see aliens or UFOs.
a UFO was spotted
One of the earliest recorded sightings occured in the late 1800's in rural Texas.
Near Seattle, WA and Kayenta, AZ triangular UFO's were spotted on November 15-16, 2011.
Well I really don't know where people have spotted ufo's.But I do know that I hae spotted one before in Olympia,Washington
On March 26, 1966, a Mrs. Beer and Mrs. Smith spotted a UFO at about 12:00am, in Texahoma, OK.
The first actual UFO sighting was in 1500 B.C.!
UFO sightings predate recorded history.
If a UFO was found by a person, then it was no longer flying and no longer unidentified; therefore, no longer a UFO.
The first ozone hole was spotted over poles. Mario Molina spotted it.