Oops, it doesn't look like 'sports stadium on day' is a national day..

Other days

Stress Awareness Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tell Ur Crush You Like Them Day

Fiancee Day

Nae Nae Day

Promposal Day

Brow Day

Prosecco Day

Hoodie Day

Frozen Yogurt Day