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

Other days

martini

Martini Day
gallery

Gallery Day
gum

Gum Day
comfy

Comfy Day
lisp

Lisp Day
bonang

Bonang Day
girl friend

Girl Friend Day
latina equal pay

Latina Equal Pay Day
cuddle up

Cuddle Up Day
boba

Boba Day