sep 29, 1980 - "Black Friday" Spreads
The term didn’t spread to the rest of the country until much later, however, and as recently as 1985 it wasn’t in common use nationwide. Sometime in the late 1980s, however, retailers found a way to reinvent Black Friday and turn it into something that reflected positively, rather than negatively, on them and their customers.
Added to timeline:
Black Friday - Orgins
By: Frederick Rukh-Kamaa