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

Other days

artists

Artists Day
girl friend

Girl Friend Day
law

Law Day
get funky

Get Funky Day
boy friend

Boy Friend Day
frozen yogurt

Frozen Yogurt Day
self care

Self Care Day
latina equal pay

Latina Equal Pay Day
brow

Brow Day
camera

Camera Day