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Black Monday

world stock market crash of Monday, October 19, 1987
Event stock_market_crash Q868261
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Black Monday

Summary

Black Monday is a stock market crash[1]. It draws 4,396 Wikipedia views per month (stock_market_crash category, ranking #2 of 8).[2]

Key Facts

  • Black Monday's instance of is recorded as stock market crash[3].
  • Black Monday's Commons category is recorded as Black Monday (1987)[4].
  • Black Monday took place on October 19, 1987[5].
  • Black Monday's different from is recorded as Black Monday[6].

Body

When and Where

Black Monday took place on October 19, 1987[5].

Context

Black Monday's instance of is recorded as stock market crash[3].

Why It Matters

Black Monday draws 4,396 Wikipedia views per month (stock_market_crash category, ranking #2 of 8).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[7] It is known by 15 alternative names across languages and contexts.[8]

Related Entities

New York Stock Exchange United States

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [7] ↑ . Wikidata sitelinks. wikidata.org.
  3. [8] ↑ . 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). Black Monday. Retrieved May 3, 2026, from https://4ort.xyz/entity/black-monday
MLA “Black Monday.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/black-monday.
BibTeX @misc{4ortxyz_black-monday_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Black Monday}}, year = {2026}, url = {https://4ort.xyz/entity/black-monday}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Black Monday — https://4ort.xyz/entity/black-monday (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/black-monday · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · Twofivesixbot bot · 2026-05-26 view diff on Wikidata ↗
    Instance of → —
    Different from → Black Monday
    Point in time → +1987-10-19T00:00:00Z
    Instance of → stock market crash
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007548805505171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.