Cultural disappearance

cultural disappearance can be contrasted with actual disappearance, since many things would seem to disappear from cultural view, or at least at some period mainstream cultural memory or record, while they exist otherwise --- say an abandoned religious item no one would recognise as such (while possibly being later identified). (eiríksson)
* Memory hole - "I can't remember this movie for some weird reason, but if someone brings it up I have a vague recollection."
* Doesn't exist - "Nobody anywhere at all can remember this movie for some weird reason, and nobody can recollect anything about is plot, style, or characters."«Movie doesn't exist vs Movie has been memory-holed», border199x, reddit.com.
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disappearance; a disappearing item; liminal object; the mandela effect; terminated item; obscurification
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