Oops, it doesn't look like 'landmarks and spots of hugeness to observe independence day' is a national day..

Other days

Pumpkin Day

Kiss A Brunette Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Eat What You Want Day

Ponytail Day

Kiss A Ginger Day

Frozen Yogurt Day

Lumpy Rug Day

Gum Day

Appreciate Yaself A Lil Extra Day