There are two popular theories as to the origins of Black Friday. According to a 2009 article published in TIME magazine, the phrase “Black Friday” was first used in the 1960′s by newspapers in Philadelphia to illustrate the resemblance of the great numbers of consumers and the madness seen after the stock market panic of September 24, 1864 (also known as Black Friday). The second theory, according to NRF comes from the retail accounting perspective; which refer to the stores’ profit margins in the days when the books were kept by hand. Red ink represented a loss in profit while black ink represented a profit. Signifying the day’s potential to bring profit to businesses.
A 13th guest at a table is considered bad luck. In Paris, sometimes a “quatorzieme” is hired to act as a 14th guest. Instead of asking someone to leave, a professional will be added to balance out the luck.