Oops, it doesn't look like 'credit card number and the three on the back day' is a national day..

Other days

Promposal Day

Hot Chocolate Day

Boyfriend Day

Blanket Fort Day

Frozen Yogurt Day

Believe Day

Lumpy Rug Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Book Day

Tell Ur Crush You Like Them Day