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

Other days

eat what you want

Eat What You Want Day
cursing

Cursing Day
hot chocolate

Hot Chocolate Day
blanket fort

Blanket Fort Day
cuddle up

Cuddle Up Day
buddy

Buddy Day
gum

Gum Day
first love

First Love Day
law

Law Day
me

Me Day