Oops, it doesn't look like 'flag ought to be respected on independence day' is a national day..

Other days

Slime Day

Nae Nae Day

China Day

Unicorn Day

Lumpy Rug Day

Appreciate Yaself A Lil Extra Day

Lisp Day

Tulip Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Reading Day