SIGHTING // TIMELINE_RECORD

Hessdalen Lights Phenomenon

Event date
1981 Dec 1
Location
Hessdalen Valley, Norway
Country
Norway

Record summary

Residents of Hessdalen valley began reporting unexplained luminous phenomena peaking at 20 sightings per week. Scientific field studies documented the lights responding to laser stimulation. The phenomenon continues at reduced frequency and remains scientifically unexplained.

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Review primary source Hessdalen Lights 1981: Norway Valley's Unexplained Luminous Phenomena Intensify Open in interactive timeline