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

Other days

ponytail

Ponytail Day
law

Law Day
healing

Healing Day
kiss a ginger

Kiss A Ginger Day
boy friend

Boy Friend Day
cat girl

Cat Girl Day
girl friend

Girl Friend Day
polyamory

Polyamory Day
china

China Day
buddy

Buddy Day