Oops, it doesn't look like 'school sport week and we are encouraging everyone to join in and create their own sports day' is a national day..

Other days

Lumpy Rug Day

Cat Girl Day

Self Appreciation Day

Boyfriend Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Embarrass Your Best Friend Day

Pick Me Day

Pumpkin Day

Ride The Wind Day

Chocolate Milkshake Day