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

Other days

Self Care Day

Boba Day

Pumpkin Day

Embarrass Your Best Friend Day

Latina Equal Pay Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Promposal Day

Appreciate Yaself A Lil Extra Day

Stud Day

Raise Awerness Of Zeus Day