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

Other days

self care

Self Care Day
stud

Stud Day
camera

Camera Day
frozen yogurt

Frozen Yogurt Day
one

One Day
boba

Boba Day
comfy

Comfy Day
bubble bath

Bubble Bath Day
bow tie

Bow Tie Day
believe

Believe Day