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

Other days

believe

Believe Day
kiss a ginger

Kiss A Ginger Day
hoodie

Hoodie Day
bounce

Bounce Day
eat what you want

Eat What You Want Day
law

Law Day
tell a fairytale

Tell A Fairytale Day
offer

Offer Day
lisp

Lisp Day
hannah

Hannah Day