Oops, it doesn't look like 'guards shoulder to shoulder working at big cleanup day' is a national day..

Other days

Blanket Fort Day

Donate Your Hair Day

Tell Ur Crush You Like Them Day

Ponytail Day

My Little Pony Day

One Day

Tulip Day

Law Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day