Oops, it doesn't look like 'radio broadcast of an nfl game took place on thanksgiving day' is a national day..

Other days

Martini Day

Reading Day

Tell A Fairytale Day

Prosecco Day

Hot Chocolate Day

Chocolate Milkshake Day

Cursing Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Slime Day

Raise Awerness Of Zeus Day