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

Other days

eat what you want

Eat What You Want Day
brow

Brow Day
lisp

Lisp Day
hannah

Hannah Day
offer

Offer Day
lumpy rug

Lumpy Rug Day
boba

Boba Day
bounce

Bounce Day
martini

Martini Day
law

Law Day