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Festivus is an annual holiday that was made popular by Reader's Digest writer and editor Daniel O'Keefe.[1] It was introduced to popular culture by O'Keefe's son Daniel, a scriptwriter for the TV show Seinfeld, on December 18, 1997, in the episode "The Strike".[2] (Season 9, Episode 10). The holiday is celebrated each year on December 23, but many people celebrate it at other times, often to avoid the Christmas rush.[2] The holiday includes novel practices such as the "Airing of Grievances", in which each person tells everyone else all the ways they have disappointed him/her over the past year. Also, after the Festivus meal, the "Feats of Strength" are performed, involving wrestling the head of the household to the floor, the holiday only ending if the head of the household is actually pinned.