Oops, it doesn't look like 'car broken down day' is a national day..

Other days

brow

Brow Day
boy friend

Boy Friend Day
lisp

Lisp Day
aloxolt

Aloxolt Day
bounce

Bounce Day
girl friend

Girl Friend Day
book

Book Day
mean girls

Mean Girls Day
polyamory

Polyamory Day
tell a fairytale

Tell A Fairytale Day