Oops, it doesn't look like 'pupperz day' is a national day..

Other days

ruby

Ruby Day
pick me

Pick Me Day
frozen yogurt

Frozen Yogurt Day
hot chocolate

Hot Chocolate Day
buddy

Buddy Day
polyamory

Polyamory Day
latina equal pay

Latina Equal Pay Day
stud

Stud Day
book

Book Day
lash

Lash Day