Oops, it doesn't look like 'be a dick to natives day' is a national day..

Other days

Frozen Yogurt Day

Ride The Wind Day

Offer Day

Believe Day

Stud Day

Embarrass Your Best Friend Day

Carpenters Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Raise Awerness Of Zeus Day

Tell A Fairytale Day