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

Other days

lost sock memorial

Lost Sock Memorial Day
tulip

Tulip Day
cuddle up

Cuddle Up Day
bubble bath

Bubble Bath Day
martini

Martini Day
kiss a ginger

Kiss A Ginger Day
nae nae

Nae Nae Day
bounce

Bounce Day
camera

Camera Day
first love

First Love Day