Oops, it doesn't look like 'herald would one day' is a national day..

Other days

Frozen Yogurt Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Law Day

Hiv Awareness Day

Ride The Wind Day

My Little Pony Day

Appreciate Yaself A Lil Extra Day

Chocolate Milkshake Day

Unicorn Day

Girl Friend Day