Oops, it doesn't look like 'scream until your spirit leaves your body through your mouth day' is a national day..

Other days

Promposal Day

Stud Day

Nail Polish Day

Boba Day

Unicorn Day

Hot Chocolate Day

Ormille Day

Ask Out Your Crush Day

Stress Awareness Day

African Immigrant And Refugee Hiv And Hep Awareness Day