Oops, it doesn't look like 'invite north african men to work in your mines and then call them zand negers day' is a national day..

Other days

Azonto Is Acceptable Day

Aloxolt Day

Polyamory Day

Camera Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tulip Day

Carpenters Day

Slime Day

Prosecco Day

Hannah Day