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

Other days

ormille

Ormille Day
lumpy rug

Lumpy Rug Day
ride the wind

Ride The Wind Day
hot chocolate

Hot Chocolate Day
tulip

Tulip Day
frozen yogurt

Frozen Yogurt Day
bow tie

Bow Tie Day
lisp

Lisp Day
ponytail

Ponytail Day
blanket fort

Blanket Fort Day