Wikidata facts
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Roswell incident
Entity
flying saucer
Entity
alien abduction
Entity
Pentagon UFO videos
Entity
Kenneth Arnold UFO sighting
Entity
The Age of Disclosure
Work
Cold War
Entity
International Standard Book Number
Entity
Nazism
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unidentified flying object
Entity
United States Air Force
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Smithsonian Institution
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Mount Rainier
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Area 51
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Federal Government of the United States
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ufology
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crop circle
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ancient astronauts
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classified information
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grey alien
Entity