Oops, it doesn't look like 'Hug A Small Dog day' is a national day..

Other days

comfy

Comfy Day
bounce

Bounce Day
my little pony

My Little Pony Day
pumpkin

Pumpkin Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
donate your hair

Donate Your Hair Day
boy friend

Boy Friend Day
ruby

Ruby Day
brow

Brow Day