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

Other days

tulip

Tulip Day
donate your hair

Donate Your Hair Day
bonang

Bonang Day
kale

Kale Day
bow tie

Bow Tie Day
embarrass your best friend

Embarrass Your Best Friend Day
gum

Gum Day
artists

Artists Day
aloxolt

Aloxolt Day
mean girls

Mean Girls Day