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

Other days

comfy

Comfy Day
bow tie

Bow Tie Day
mean girls

Mean Girls Day
tulip

Tulip Day
camera

Camera Day
donate your hair

Donate Your Hair Day
book

Book Day
eat what you want

Eat What You Want Day
law

Law Day
bubble bath

Bubble Bath Day