I can show you pictures of UFOs, but do you mean unknown to you or unknown to both of us. Most UFO pictures I know what they're a picture of so they're not unknown to me. But I can show you pictures of objects that appear to be flying that you won't know what they are.
They usually see UFO's at a UFO sighting
They did.
Yes.
James (Jimmy) Carter, who was the governor of Georgia at the time he reported the sighting.
On March 24, 2011, over Southhampton, England, a triangular, black UFO sighting in broad daylight.
The first actual UFO sighting was in 1500 B.C.!
Yes there has been a UFO sighting in Egypt.
yes
That was prior to written history so there is no record of the first sighting.
No UFO sighting was reported in AD 986...
No UFO sighting was reported in AD 963...
No UFO sighting was reported in AD 964...