I would think a close second would be the opening Thursday of the NCAA tournament in terms of "Why even bother showing up to work?" status.
My high school alma mater started having no school on the day after the Super Bowl starting about a decade ago. However, they didn't add a day off to the calendar, just swapped the day off with a different holiday or something.
http://dailysnark.com/presidential-candidate-jon-kasich-says-monday-super-bowl-national-holiday/
My high school alma mater started having no school on the day after the Super Bowl starting about a decade ago. However, they didn't add a day off to the calendar, just swapped the day off with a different holiday or something.
http://dailysnark.com/presidential-candidate-jon-kasich-says-monday-super-bowl-national-holiday/