Oops, it doesn't look like 'monuments get horrifying addition on presidents day' is a national day..

Other days

Martini Day

Donate Your Hair Day

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Kiss A Brunette Day

Tell Ur Crush You Like Them Day

Lisp Day

Stress Awareness Day

Boy Friend Day

Artists Day