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

Other days

boyfriend

Boyfriend Day
camera

Camera Day
bubble bath

Bubble Bath Day
nae nae

Nae Nae Day
girl friend

Girl Friend Day
lisp

Lisp Day
mean girls

Mean Girls Day
nail polish

Nail Polish Day
carpenters

Carpenters Day
fiancee

Fiancee Day