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

Other days

singles

Singles Day
camera

Camera Day
frozen yogurt

Frozen Yogurt Day
hannah

Hannah Day
pampering

Pampering Day
ormille

Ormille Day
hiv awareness

Hiv Awareness Day
self care

Self Care Day
one

One Day
cuddle up

Cuddle Up Day