Oops, it doesn't look like 'cuddly kitten day' is a national day..

Other days

bounce

Bounce Day
cursing

Cursing Day
lumpy rug

Lumpy Rug Day
one

One Day
my little pony

My Little Pony Day
youth

Youth Day
china

China Day
unicorn

Unicorn Day
kiss a brunette

Kiss A Brunette Day
lisp

Lisp Day