Oops, it doesn't look like 'popcorn kernel in teeth day' is a national day..

Other days

Stress Awareness Day

Boba Day

Brow Day

Unicorn Day

Raise Awerness Of Zeus Day

Pick Me Day

Embarrass Your Best Friend Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Hiv Awareness Day

Fiancee Day