Oops, it doesn't look like 'hug your cat donut day' is a national day..

Other days

youth

Youth Day
law

Law Day
book

Book Day
offer

Offer Day
mean girls

Mean Girls Day
lisp

Lisp Day
my little pony

My Little Pony Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
believe

Believe Day