UFO sightings are not a new phenomena. Cave drawings are thought to contain pictures of aliens and their 'flying saucer'. There is no way to say when the first visitation occured for lack of written records.
* Added - James Everell recorded the sighting in the US by him and 2 others at the Muddy River near Boston Massachusetts on March 8 1639, It was said to have be in the shape of a pig with flames and it was observed moving in the sky for several hours
The first actual UFO sighting was in 1500 B.C.!
That was prior to written history so there is no record of the first sighting.
They usually see UFO's at a UFO sighting
the first sighting was in 1,000,907 BC so yeah that's when it occured.
It was.
Many people reported seeing the UFO but no names were available.
One sighting reported for this year in Portugal.
There was one recorded sighting for this year in Venezuela.
Yes.
The first recorded sighting would probably be by Alexander the Great 329 BC.
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.