Tunguska event
In Siberia in 1908, a Huge Explosion Came Out of Nowhere
A century after the Tunguska event, scientists still debate the precise nature of the object that exploded above Siberia.
What Caused the Largest Explosion in Recorded History?
Multiple witnesses in Voronezh reported a landed craft with tall beings and a robot, reported by official Soviet news agency TASS.
Multiple witnesses including RCMP officers saw an illuminated object crash into Shag Harbour; official Canadian government documents call it a 'UFO.'
A controlled fireball landed near Kecksburg, PA; witnesses described an acorn-shaped craft with hieroglyphics before the Army removed it under secrecy.
At least 15 independent witnesses near Levelland, TX reported a glowing object that killed vehicle engines and headlights at close range.
An entire Serie A football match in Florence stopped when ~10,000 spectators watched cigar-shaped craft cross the sky and 'angel hair' fibers fell on the stadium - University of Florence chemists analyzed the residue.
A 1949 Los Alamos conference transcript in which Manhattan Project physicists tried and failed to explain the 'green fireball' wave over the Southwest's nuclear laboratories. Released via PURSUE Release 04.