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

Other days

eat what you want

Eat What You Want Day
bounce

Bounce Day
boba

Boba Day
lumpy rug

Lumpy Rug Day
carpenters

Carpenters Day
lisp

Lisp Day
camera

Camera Day
blanket fort

Blanket Fort Day
hannah

Hannah Day
youth

Youth Day