Oops, it doesn't look like 'wear true grit to school day' is a national day..

Other days

Embarrass Your Best Friend Day

Chocolate Milkshake Day

Unicorn Day

Gallery Day

Azonto Is Acceptable Day

Bow Tie Day

Pumpkin Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Bubble Bath Day