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

Other days

ponytail

Ponytail Day
lash

Lash Day
boy friend

Boy Friend Day
bow tie

Bow Tie Day
hannah

Hannah Day
get funky

Get Funky Day
pick me

Pick Me Day
fiancee

Fiancee Day
kiss a ginger

Kiss A Ginger Day
brow

Brow Day