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

Other days

comfy

Comfy Day
kale

Kale Day
buddy

Buddy Day
stud

Stud Day
one

One Day
get funky

Get Funky Day
stress awareness

Stress Awareness Day
blanket fort

Blanket Fort Day
my little pony

My Little Pony Day
china

China Day