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

Other days

ruby

Ruby Day
kale

Kale Day
frozen yogurt

Frozen Yogurt Day
prosecco

Prosecco Day
blanket fort

Blanket Fort Day
fiancee

Fiancee Day
china

China Day
ride the wind

Ride The Wind Day
boy friend

Boy Friend Day
kiss a brunette

Kiss A Brunette Day