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

Other days

unicorn

Unicorn Day
tell a fairytale

Tell A Fairytale Day
cat girl

Cat Girl Day
mean girls

Mean Girls Day
china

China Day
brow

Brow Day
promposal

Promposal Day
kale

Kale Day
nail polish

Nail Polish Day
ruby

Ruby Day