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

Other days

ormille

Ormille Day
stud

Stud Day
hoodie

Hoodie Day
hiv awareness

Hiv Awareness Day
frozen yogurt

Frozen Yogurt Day
pumpkin

Pumpkin Day
lisp

Lisp Day
gum

Gum Day
bounce

Bounce Day
coffee

Coffee Day