Oops, it doesn't look like 'ncaa event on day' is a national day..

Other days

singles

Singles Day
law

Law Day
gum

Gum Day
ormille

Ormille Day
get funky

Get Funky Day
buddy

Buddy Day
ride the wind

Ride The Wind Day
hoodie

Hoodie Day
blanket fort

Blanket Fort Day
lisp

Lisp Day