Black Friday (shopping) corner the gold market. When President Grant learned of this manipulation, he ordered the Treasury to release a large supply of gold, which halted the run and caused prices to drop by eighteen percent. Fortunes were made and lost in a single day, and the president's own brother-in-law, Abel Corbin, was ruined. The earliest known use of "Black Friday" to refer to the day after Thanksgiving occurs in the journal, "Factory Management and Maintenance", for November 1951, and again in 1952. Here it referred to the practice of workers calling in sick on the day after Thanksgiving, in order to
Black Friday (shopping) was the first to launch a special Black Friday promotion. The year after, most Swiss retailers launched special offers during the Black Friday Week. It is estimated that customers spend around 80 million Swiss Francs in onlineshops alone on Black Friday 2017. In recent years, Black Friday has been promoted in Australia by in-store and online retailers. In 2011, Online Shopping USA hosted an event on Twitter. Twitter users had to use the hashtag #osublackfriday and it allowed them to follow along and tweet favourite deals and discounts from stores. In 2013, Apple extended its Black Friday deals to Australia.