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

Other days

law

Law Day
boy friend

Boy Friend Day
boyfriend

Boyfriend Day
reading

Reading Day
comfy

Comfy Day
lash

Lash Day
my little pony

My Little Pony Day
gum

Gum Day
tell a fairytale

Tell A Fairytale Day
camera

Camera Day