Oops, it doesn't look like 'geographic to nickelodeon day' is a national day..

Other days

Azonto Is Acceptable Day

Prosecco Day

Nae Nae Day

Buddy Day

Lumpy Rug Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Book Day

Me Day

Tell Ur Crush You Like Them Day

Slime Day