https://www.cnbc.com/2018/11/23/amazon-reports-record-levels-of-uk-shopping-black-friday.html

Thanksgiving might only be celebrated in the U.S. — but Black Friday is becoming a major event around the world.

It's historically been a day when hoards of U.S. shoppers, on the day after Thanksgiving, rush into stores offering huge discounts to kick off the holiday shopping season. It's an event that puts retailers "in the black."