Oops, it doesn't look like 'cemetery instead of making any political point about day' is a national day..

Other days

Polyamory Day

Brow Day

Tell A Fairytale Day

Lumpy Rug Day

Boyfriend Day

Appreciate Yaself A Lil Extra Day

Carpenters Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Hannah Day

Lost Sock Memorial Day