No founder or establishment record has been identified for this observance. It was already in print by the 1995 edition of Chase's Calendar of Events, a directory that accepts submitted special days, so the year it actually began is not known.
The book that took submissions
One of the people who noticed was Thomas Roy, the morning man at station WIOV. He read Chase's for show prep, and in 1986 he found a form in the back inviting readers to send in holidays of their own. He mailed off Northern Hemisphere Hoodie-Hoo Day, dated February 20.
Chase's printed it in the next edition. The newscaster Paul Harvey signed off a broadcast by leading his audience in the shout, and Roy says he immediately invented eight more holidays. He and his wife Ruth have created at least 80 wacky holidays since, which they copyright and publish under the Wellcat Holidays trademark.


