Oops, it doesn't look like 'bring yur friends to work day' is a national day..

Other days

Blanket Fort Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Believe Day

Donate Your Hair Day

Carpenters Day

Unicorn Day

Ask Out Your Crush Day

Tulip Day

Nae Nae Day

Tell Ur Crush You Like Them Day