Oops, it doesn't look like 'Student Leadership WeekTomorrow Is Nerd Or Preppy day' is a national day..

Other days

Lost Sock Memorial Day

Reading Day

Kiss A Ginger Day

Emoji Day

Blanket Fort Day

Prescription Drug Take Back Day

Ponytail Day

Embarrass Your Best Friend Day

Appreciate Yaself A Lil Extra Day

My Little Pony Day