Oops, it doesn't look like 'Stadium Have Been Rehearsing For This day' is a national day..

Other days

Latina Equal Pay Day

Appreciate Yaself A Lil Extra Day

Tulip Day

Buddy Day

Prescription Drug Take Back Day

Promposal Day

Emoji Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Ask Out Your Crush Day