Oops, it doesn't look like 'chocolate cat candy corn day' is a national day..

Other days

lisp

Lisp Day
bounce

Bounce Day
mean girls

Mean Girls Day
nae nae

Nae Nae Day
slime

Slime Day
buddy

Buddy Day
cuddle up

Cuddle Up Day
book

Book Day
gum

Gum Day
hiv awareness

Hiv Awareness Day