Oops, it doesn't look like 'guard to honor fallen with helicopter flyovers on memorial day' is a national day..

Other days

Tell Ur Crush You Like Them Day

One Day

Chocolate Milkshake Day

Nail Polish Day

Hot Chocolate Day

Bubble Bath Day

Brow Day

Believe Day

Law Day

African Immigrant And Refugee Hiv And Hep Awareness Day