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