Oops, it doesn't look like 'best friend glo gang day' is a national day..

Other days

Blanket Fort Day

Pumpkin Day

Lisp Day

Lumpy Rug Day

Chocolate Milkshake Day

Polyamory Day

Ruby Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ponytail Day

Raise Awerness Of Zeus Day