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

Other days

pick me

Pick Me Day
nail polish

Nail Polish Day
china

China Day
hot chocolate

Hot Chocolate Day
lash

Lash Day
bow tie

Bow Tie Day
stress awareness

Stress Awareness Day
ruby

Ruby Day
hiv awareness

Hiv Awareness Day
unicorn

Unicorn Day