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

Other days

lash

Lash Day
hannah

Hannah Day
self care

Self Care Day
kiss a ginger

Kiss A Ginger Day
nail polish

Nail Polish Day
camera

Camera Day
hoodie

Hoodie Day
first love

First Love Day
promposal

Promposal Day
singles

Singles Day