Oops, it doesn't look like 'library of scotland marking that famous day' is a national day..

Other days

Gum Day

Believe Day

Nail Polish Day

Chocolate Milkshake Day

Self Appreciation Day

Appreciate Yaself A Lil Extra Day

Hot Chocolate Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Stud Day

Ask Out Your Crush Day