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

Other days

stud

Stud Day
tell a fairytale

Tell A Fairytale Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
bubble bath

Bubble Bath Day
bounce

Bounce Day
camera

Camera Day
china

China Day
brow

Brow Day
hannah

Hannah Day