Oops, it doesn't look like 'live by the harmless untruths that make you happy day' is a national day..

Other days

China Day

Kale Day

Believe Day

Pumpkin Day

Appreciate Yaself A Lil Extra Day

Slime Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Mean Girls Day

Brow Day