Oops, it doesn't look like 'Fuck Yo Relationship day' is a national day..

Other days

Ormille Day

Chocolate Milkshake Day

Carpenters Day

My Little Pony Day

Offer Day

Prosecco Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Lisp Day

Pumpkin Day

Ride The Wind Day