Black Friday (1869), the Fisk-Gould Scandal, a financial crisis in the United States.
Black Friday (1881), the Eyemouth disaster in which 189 fishermen died.
Black Friday (1910), a particularly violent women's suffrage event in England.
Black Friday (1919), the Battle of George Square, a riot stemming from industrial unrest in Glasgow, Scotland.
Black Friday (1921), the announcement of British transport union leaders not to call for strike action against wage reductions for miners.
Black Friday (1939), a day of devastating bushfires in Victoria, Australia.
Black Friday (1944), a disastrous attack by the Black Watch (Royal Highland Regiment) of Canada near Woensdrecht during the Battle of the Scheldt.
Black Friday (1945), an Allied military operation during the Norwegian campaigns in World War II.
Black Friday (1960), San Francisco City protest against the House Un-American Activities Committee.
Black Friday (1978), a massacre of protesters in Iran.
Black Friday (1987), a tornado in Edmonton, Alberta, Canada.
Black Friday (1993), a series of bomb explosions in Mumbai, India.
Black Friday (2004), a 2004 crackdown by government forces in Malé, Maldives, on peaceful protesters.
Black Friday (2005), an event in which tribal students were killed in Meghalaya, India.
Black Friday (2011), an event in which several online poker sites were seized as a result of United States v. Scheinberg et al.
Black Friday (2015) or Bloody Friday, a string of terrorist attacks on June 26, 2015 in France, Kuwait, Somalia, Syria and Tunisia.