Oops, it doesn't look like 'peanut butter celery day' is a national day..

Other days

Frozen Yogurt Day

Chocolate Milkshake Day

Promposal Day

Cuddle Up Day

Prescription Drug Take Back Day

Mean Girls Day

Pumpkin Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Aloxolt Day

Embarrass Your Best Friend Day