What is the history of Black Friday

It began in the 19th century, when it was combined with the financial crisis of 1869 in the United States. Talking about the word Black Friday, the name of this day originated in Philadelphia.

Where the term Black Friday was first used in 1966. The Philadelphia Police Department then named the Friday after Thanksgiving Day as "Black Friday".

Its expansion began around 1975. This information has been given in two newspapers during November 29, 1975, in which the dateline of Philadelphia is present.