The 1947 Roswell Unidentified Flying Object Incident is a human conspiracy theory in which a UFO had crash-landed in Roswell, New Mexico on July 8, 1947 and was promptly recovered by the United States military along with a cover-up. It became one of humanities most publicized and controversial alleged UFO incidents and information pertaining to the actual details of crash-landing was kept confidential until 2800's.