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

Other days

gum

Gum Day
cuddle up

Cuddle Up Day
hoodie

Hoodie Day
kale

Kale Day
law

Law Day
mean girls

Mean Girls Day
carpenters

Carpenters Day
boba

Boba Day
blanket fort

Blanket Fort Day
boy friend

Boy Friend Day