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

Other days

lisp

Lisp Day
self appreciation

Self Appreciation Day
boba

Boba Day
gum

Gum Day
boyfriend

Boyfriend Day
lumpy rug

Lumpy Rug Day
cuddle up

Cuddle Up Day
kiss a brunette

Kiss A Brunette Day
lash

Lash Day
frozen yogurt

Frozen Yogurt Day