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

Other days

Appreciate Yaself A Lil Extra Day

Bow Tie Day

Mean Girls Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Hot Chocolate Day

Pampering Day

Book Day

Prescription Drug Take Back Day

Chocolate Milkshake Day

Frozen Yogurt Day