Festivus was the brainchild of Seinfeld writer Dan O'Keefe, whose father invented a similar holiday including an Airing of Grievances and wrestling match in real life. One tradition that didn't ...
December 23 isn’t just Christmas Eve Eve, it’s also Festivus. Festivus is an anti-commercialist holiday that was introduced to the world in the ninth season of “Seinfeld” in 1997.