Oops, it doesn't look like 'Bestie For The Resties day' is a national day..

Other days

girl friend

Girl Friend Day
gallery

Gallery Day
nae nae

Nae Nae Day
artists

Artists Day
gum

Gum Day
kale

Kale Day
cat girl

Cat Girl Day
lisp

Lisp Day
boy friend

Boy Friend Day
frozen yogurt

Frozen Yogurt Day