Oops, it doesn't look like 'guard headquarters to unveil beau biden signs on memorial day' is a national day..

Other days

Boy Friend Day

Pumpkin Day

Kiss A Ginger Day

Nae Nae Day

Cursing Day

Embarrass Your Best Friend Day

Ponytail Day

Ruby Day

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day