Oops, it doesn't look like 'WinnerNever Met Me BeforeTakes Time Out Of His day' is a national day..

Other days

Girl Friend Day

Unicorn Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Cat Girl Day

Prosecco Day

Embarrass Your Best Friend Day

Mean Girls Day

Lost Sock Memorial Day

My Little Pony Day

Hot Chocolate Day