Oops, it doesn't look like 'shyland day' is a national day..

Other days

lisp

Lisp Day
boy friend

Boy Friend Day
stud

Stud Day
kiss a brunette

Kiss A Brunette Day
comfy

Comfy Day
cat girl

Cat Girl Day
law

Law Day
eat what you want

Eat What You Want Day
cuddle up

Cuddle Up Day
one

One Day