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blood type personality theory

pseudoscientific theory that a person's ABO blood type is predictive of a person's personality, temperament, and compatibility with others
Organization urban_legend Q1068571
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blood type personality theory

Summary

blood type personality theory is an urban legend[1]. It draws 613 Wikipedia views per month (urban_legend category, ranking #14 of 49).[2]

Key Facts

  • blood type personality theory is credited with the discovery of Masahiko Nomi[3].
  • blood type personality theory's image is recorded as Blood type horoscope cards in Japan.jpg[4].
  • blood type personality theory's instance of is recorded as urban legend[5].
  • blood type personality theory's instance of is recorded as pseudoscience[6].
  • blood type personality theory's country of origin is recorded as Japan[7].
  • +1970-00-00T00:00:00Z marks the founding of blood type personality theory[8].
  • blood type personality theory's Freebase ID is recorded as /m/06y76z[9].
  • blood type personality theory's facet of is recorded as blood type[10].
  • blood type personality theory's Namuwiki ID is recorded as 혈액형 성격설[11].

Body

Founding

+1970-00-00T00:00:00Z marks the founding of blood type personality theory[8].

Why It Matters

blood type personality theory draws 613 Wikipedia views per month (urban_legend category, ranking #14 of 49).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[12] It is known by 11 alternative names across languages and contexts.[13]

Related Entities

Japan

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Freebase Data Dumps. wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). blood type personality theory. Retrieved April 10, 2026, from https://4ort.xyz/entity/blood-type-personality-theory
MLA “blood type personality theory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/blood-type-personality-theory.
BibTeX @misc{4ortxyz_blood-type-personality-theory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{blood type personality theory}}, year = {2026}, url = {https://4ort.xyz/entity/blood-type-personality-theory}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): blood type personality theory — https://4ort.xyz/entity/blood-type-personality-theory (retrieved 2026-04-10)

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