Mandela effect

noun

The phenomenon of a large number of persons independently sharing the same false memory.

Meanings

nounMandela effect (plural Mandela effects)

plural Mandela effects

  1. The phenomenon of a large number of persons independently sharing the same false memory.

    It's easier to understand the scope of the Mandela effect and to come up with explanations for individual effects by taking a bird's-eye view of the landscape.

    2021, Rizwan Virk, The Simulated Multiverse […] , Bayview Books, →ISBN
    2 more examples

    The subsistence and mass identification of phenomena like the Mandela Effect could only come to fruition in the Internet Age. Without the internet, there would be no universal platform to academically discuss a concept so daft, nor would there be any way to efficiently and convincingly disprove so many disparate memory errors. Yet the content of the Mandela Effect—the objects and ideas that people misremember—is almost entirely tied to the era just before the internet became common.

    2022, Chuck Klosterman, The Nineties, New York: Penguin Press, →ISBN

    When Broome discovered that she was not the only person to remember an alternative version of events, she started a website about what she dubbed “the Mandela Effect”.

    2024 May 25, Tim Harford, “The detours on memory lane”, in FT Weekend (Life & Arts section), London: The Financial Times Ltd., →ISSN, →OCLC, page 21

Origin

Coined by American writer and paranormal consultant Fiona Broome in 2009 in reference to a false memory she had of South African leader Nelson Mandela (1918–2013) dying in the 1980s that other people reportedly shared.

Full word history & related roots →

Translations

Arabic تَأْثِير مَانْدَيلَا
  • تَأْثِير مَانْدَيلَا (taʔṯīr māndēlā)phenomenon of sharing false memory
Chinese Cantonese 孟加拉效應 /孟加拉效应
  • 孟加拉效應 /孟加拉效应 (maang⁶ gaa¹ laai¹ haau⁶ jing³)phenomenon of sharing false memory
Chinese Mandarin 曼德拉效應 /曼德拉效应
  • 曼德拉效應 /曼德拉效应 (Màndélā xiàoyìng)phenomenon of sharing false memory
French effet Mandela
  • effet Mandelaphenomenon of sharing false memory
Italian effetto Mandela
  • effetto Mandelaphenomenon of sharing false memory
Japanese マンデラ効果, マンデラエフェクト
  • マンデラ効果phenomenon of sharing false memory
  • マンデラエフェクトphenomenon of sharing false memory
Korean 만델라 효과, 만델라 이펙트
  • 만델라 효과 (mandella hyogwa)phenomenon of sharing false memory
  • 만델라 이펙트 (mandella ipekteu)phenomenon of sharing false memory
Portuguese efeito Mandela
  • efeito Mandelaphenomenon of sharing false memory
Spanish efecto Mandela
  • efecto Mandelaphenomenon of sharing false memory
Cite this entry
APA

Mandela effect. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Mandela%20effect

MLA

“Mandela effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mandela%20effect. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Mandela effect,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Mandela%20effect.

Source: Mandela effect on Wiktionary, CC BY-SA 4.0.