Oops, it doesn't look like 'Donut Hug Your Cat day' is a national day..

Other days

book

Book Day
tulip

Tulip Day
cuddle up

Cuddle Up Day
ask out your crush

Ask Out Your Crush Day
brow

Brow Day
buddy

Buddy Day
lisp

Lisp Day
gum

Gum Day
fiancee

Fiancee Day
donate your hair

Donate Your Hair Day