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

Self Care Day

Nae Nae Day

African Immigrant And Refugee Hiv And Hep Awareness Day

First Love Day

Kiss A Brunette Day

Hannah Day

Cursing Day

Bubble Bath Day

My Little Pony Day

Self Appreciation Day