Chick-fil-A accidentally invited its loyal customers to come in for a free sandwich on the one day the restaurant is closed. National Sandwich Day is November 3rd, so the chicken chain sent an email to its loyalty program members this past week promoting the idea. They apparently forgot that November 3rd is a Sunday, and that Chick-fil-A is closed on Sundays. The company soon sent out another email saying, “Well … this is awkward…”