The Mystery of a Three-Horse Air Flying Machine

William Dunbarton sent a letter to President Thomas Jefferson about an alleged UFO sighting in 1800. He described the object as being 70 or 80 feet long and flying at speeds of up to 100 miles per hour. The witness said that it was hot, but not like static electricity which would have been felt by those who saw it. It's possible this could be one of the earliest recorded UFO sightings in American history.