Oops, it doesn't look like 'guard troops swarm us cities ahead of inauguration day' is a national day..

Other days

Buddy Day

Reading Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Hot Chocolate Day

Embarrass Your Best Friend Day

Pampering Day

Blanket Fort Day

Ask Out Your Crush Day

Polyamory Day

Cuddle Up Day