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

Other days

law

Law Day
blanket fort

Blanket Fort Day
boba

Boba Day
boy friend

Boy Friend Day
hannah

Hannah Day
gum

Gum Day
kiss a ginger

Kiss A Ginger Day
self appreciation

Self Appreciation Day
cuddle up

Cuddle Up Day
lisp

Lisp Day