Oops, it doesn't look like 'puppy friends creepy uncle day' is a national day..

Other days

ponytail

Ponytail Day
bow tie

Bow Tie Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
embarrass your best friend

Embarrass Your Best Friend Day
prosecco

Prosecco Day
blanket fort

Blanket Fort Day
my little pony

My Little Pony Day
hannah

Hannah Day
stress awareness

Stress Awareness Day
bubble bath

Bubble Bath Day