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

Other days

tell a fairytale

Tell A Fairytale Day
one

One Day
cuddle up

Cuddle Up Day
lisp

Lisp Day
singles

Singles Day
youth

Youth Day
azonto is acceptable

Azonto Is Acceptable Day
comfy

Comfy Day
bounce

Bounce Day
camera

Camera Day