Multiple witnesses in Voronezh reported a landed craft with tall beings and a robot, reported by official Soviet news agency TASS.
Scottish forestry worker Robert Taylor was physically attacked by a UFO and smaller spheres, leading to the only criminal investigation of a UFO encounter in British history.
A massive jellyfish-like luminous object hovered over Petrozavodsk, prompting the Soviet government to establish official UFO research programs.
A seismic event, explosion, and glowing object on the Berwyn Mountains created the 'Welsh Roswell,' with allegations of military crash retrieval.
Nine hikers died under bizarre circumstances in the Ural Mountains; the lead investigator believed the deaths were connected to reported luminous objects in the area.
The US military initially announced recovery of a 'flying disc' near Roswell, NM before retracting the statement, creating the most famous UFO controversy in history.