Oops, it doesn't look like 'roast will crum day' is a national day..

Other days

boyfriend

Boyfriend Day
book

Book Day
eat what you want

Eat What You Want Day
brow

Brow Day
boba

Boba Day
ride the wind

Ride The Wind Day
lisp

Lisp Day
comfy

Comfy Day
blanket fort

Blanket Fort Day
camera

Camera Day