Oops, it doesn't look like 'dog mutt puppy day' is a national day..

Other days

Get Funky Day

Polyamory Day

Cuddle Up Day

Ruby Day

Azonto Is Acceptable Day

Gum Day

Stud Day

Pampering Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tell Ur Crush You Like Them Day