Oops, it doesn't look like 'donut or doughnut day' is a national day..

Other days

Frozen Yogurt Day

Prescription Drug Take Back Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ask Out Your Crush Day

Appreciate Yaself A Lil Extra Day

Promposal Day

Ruby Day

Offer Day

Coffee Day

Chocolate Milkshake Day