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

Other days

nail polish

Nail Polish Day
unicorn

Unicorn Day
cat girl

Cat Girl Day
first love

First Love Day
slime

Slime Day
comfy

Comfy Day
mean girls

Mean Girls Day
bow tie

Bow Tie Day
hoodie

Hoodie Day
ride the wind

Ride The Wind Day