Documented sightings reported in 1979.
A Spanish airliner with 109 passengers made an emergency landing at Valencia after being shadowed by two bright objects; the Spanish Air Force scrambled a Mirage F1 that could not catch them - and the MoD's 1992 declassified file confirms the radar tracks.
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.