1800's ish
There is no way to tell when a UFO will be sighted. You have to be in just the right place and the at the right time.
That would be before written history. We can't know who the first person was that saw something flying and couldn't tell what it was.
Wailuku, Maui, HI, and Honolulu also have had many recent UFO sightings.
95% of the UFOs sighted are fake
Seven sightings of UFO's in the US, Canada and France.
UFO sightings have been reported in all 50 states.
There have been sightings in virtually every continent in the world, India included.
There have been many sightings over India, especially in the years 2008 & 2009.
It was first Sighted in 1678 by a French explore.
For UFOlogists who study the connection of crop circles and UFO sightings there does seem to be some validity to the theory that they are related in some way. There is a high incident of crop circles the day after a UFO is sighted the night before.
The first actual UFO sighting was in 1500 B.C.!