Black Friday is a precipitous drop in a financial market, The original Black Friday occurred on September 24, 1869, when prospectors attempted to corner the gold market.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). black friday. Retrieved September 23, 2026, from http://smartdefine.org/black_friday/definitions/1148673 |
| Chicago | Barry Goldsmith. 2010. "black friday" http://smartdefine.org/black_friday/definitions/1148673 (accessed September 23, 2026). |
| Harvard | Barry Goldsmith 2010, black friday, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/black_friday/definitions/1148673>. |
| MLA | Barry Goldsmith. "black friday" 21 October 2010. Web. 23 September 2026. <http://smartdefine.org/black_friday/definitions/1148673> |