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

Other days

prosecco

Prosecco Day
fiancee

Fiancee Day
boba

Boba Day
boy friend

Boy Friend Day
polyamory

Polyamory Day
girl friend

Girl Friend Day
bubble bath

Bubble Bath Day
brow

Brow Day
boyfriend

Boyfriend Day
singles

Singles Day