December 23 is Festivus, a day reserved in history for all who feel that the normal holiday traditions don’t quite fit the bill.

You might know Festivus as the Dec. 23 holiday made popular on "Seinfeld". But do you know about the day's origins? Here's the full story.

Festivus, a Festivus for the rest of us, falls on Dec. 23 every year. This year, that happens to be a Monday, which feels like the perfect day for the Airing of Grievances.

December 23 is Festivus, a day reserved in history for all who feel that the normal holiday traditions don’t quite fit the bill.

December 23 is Festivus, a day reserved in history for all who feel that the normal holiday traditions don’t quite fit the bill.

December 23 is Festivus, a day reserved in history for all who feel that the normal holiday traditions don’t quite fit the bill.