Oops, it doesn't look like 'championship again one day' is a national day..

Other days

Stress Awareness Day

Prosecco Day

Azonto Is Acceptable Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Boba Day

Tell A Fairytale Day

Polyamory Day

Donate Your Hair Day

Appreciate Yaself A Lil Extra Day

Frozen Yogurt Day