Oops, it doesn't look like 'dont answer the phone day' is a national day..

Other days

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Boyfriend Day

Tell A Fairytale Day

Donate Your Hair Day

Hiv Awareness Day

Frozen Yogurt Day

Embarrass Your Best Friend Day

Bonang Day

Gallery Day