Festivus, a secular holiday made popular by the sitcomSeinfeld

A satirical secular holiday popularized by the sitcom Seinfeld.
Festivus is a secular, satirical holiday popularized by the sitcom Seinfeld. Celebrated on December 23, it was invented by the fictional character Frank Costanza. Traditions include the unadorned Festivus pole, the 'Airing of Grievances,' and the 'Feats of Strength.' It offers a humorous alternative to the pressures of the traditional holiday season. Millions have since adopted Festivus as a fun cultural ritual celebrating honesty and comedic relief.
Festivus Seinfeld