Oops, it doesn't look like 'wear a mask wear a mask day' is a national day..

Other days

Reading Day

Embarrass Your Best Friend Day

Hot Chocolate Day

Lumpy Rug Day

Frozen Yogurt Day

Cursing Day

Tell A Fairytale Day

Raise Awerness Of Zeus Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Pumpkin Day