Oops, it doesn't look like 'wash cloths day' is a national day..

Other days

cat girl

Cat Girl Day
one

One Day
law

Law Day
kiss a ginger

Kiss A Ginger Day
comfy

Comfy Day
boyfriend

Boyfriend Day
my little pony

My Little Pony Day
ruby

Ruby Day
kiss a brunette

Kiss A Brunette Day
polyamory

Polyamory Day