Oops, it doesn't look like 'horny goblin day' is a national day..

Other days

Coffee Day

Girl Friend Day

Buddy Day

Raise Awerness Of Zeus Day

Tell Ur Crush You Like Them Day

Lumpy Rug Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Nae Nae Day

Aloxolt Day

Emoji Day