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

Other days

Frozen Yogurt Day

Tulip Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tell A Fairytale Day

Kiss A Brunette Day

Aloxolt Day

Cursing Day

Raise Awerness Of Zeus Day

Lumpy Rug Day

Boba Day