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Black Thursday

Wikimedia disambiguation page

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 24, 2026
Entity authorityQ3177966 ↗
Source-derived summary

Black Thursday is a term used to refer to typically negative, notable events that have occurred on a Thursday. It has been used in the following cases:

6 February 1851, a devastating day of bushfires in Victoria, Australia

21 June 1877, an execution of 10 suspected leaders of the "Molly Maguires"

8 November 1901 (21 November in the Gregorian calendar), the climax of the gospel riots in Athens.

24 October 1929, start of the Wall Street crash of 1929.

14 October 1943, when the USAAF suffered large losses during bombing in the second Schweinfurt raid during World War II

12 April 1951, during the Korean War, when 25% of the Far East Air Force B-29 bombing force were damaged or destroyed by Soviet MiG-15s in MiG Alley.

21 November 1968, day of protests by students at University of Wisconsin-Oshkosh

12 April 1973, clashes between the police and right-wing demonstrators in Milan resulted in the killing of policeman Antonio Marino.

30 May 1975, the massacre of about 50 Lebanese Christians in the area of Bashoura in West Beirut.

22 January 1987, the Mendiola massacre, which claimed the lives of 13 protesters in Manila, Philippines

3 September 1987, known as the "Black Thursday of Warsaw Transit", when 15 people died in two separate rail accidents in Warsaw, Poland

24 July 2003, when former Guatemalan president Efraín Ríos Montt's supporters rioted in protest of a court decision barring him from standing in the 2003 general election

30 September 2009, when the Irish government revealed to its people the alleged full cost of bailing out Anglo-Irish Bank

15 November 2018, the Franco-Ontarian jeudi noir when the government of Ontario announced the elimination of several Franco-Ontarian institutions

12 March 2020, Black Thursday stock market crash

A massacre during the 2022 Chadian protests

"Black Thursday", the week day preceding Black Friday

2025 North Carolina Cessna Citation II crash, a plane crash that killed 7 people included 2000 NASCAR Craftsman Truck Series and 2002 NASCAR O'Reilly's Auto Parts Series Champion Greg Biffle, His Wife Christina, 14 year old daughter Emma, and 5 year old son Ryder. The Grief outpouring and emotional reaction was Compared to the death of Dale Earnhardt.

The Death of NASCAR racing driver Kyle Busch on Thursday May 21st, 2026 after a sudden illness, and with it being the most significant tragedy of an active driver in NASCAR since Dale Earnhardt Sr.

Editorial summary

The public source identifies “Black Thursday” as wikimedia disambiguation page. This brief keeps that definition visible, then builds a research path around Black, Thursday and Wikimedia.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1851, 1877, 1901, 1929—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Black, Thursday and Wikimedia providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Black Thursday”, the useful work is to connect “wikimedia disambiguation page” to the records capable of establishing context and consequence.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 24, 2026. The linked authority identifier is Q3177966. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1851, 1877, 1901 and 1929.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
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  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “Black Thursday” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.