Oops, it doesn't look like 'business of the day' is a national day..

Other days

stress awareness

Stress Awareness Day
blanket fort

Blanket Fort Day
hot chocolate

Hot Chocolate Day
law

Law Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
my little pony

My Little Pony Day
tulip

Tulip Day
kiss a brunette

Kiss A Brunette Day
raise awerness of zeus

Raise Awerness Of Zeus Day
polyamory

Polyamory Day