Oops, it doesn't look like 'championship game bruins win and celtics win awesome sports day' is a national day..

Other days

Ask Out Your Crush Day

Martini Day

Ormille Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Polyamory Day

Offer Day

Raise Awerness Of Zeus Day

Hot Chocolate Day

Frozen Yogurt Day

Brow Day