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

Other days

pampering

Pampering Day
lisp

Lisp Day
kiss a ginger

Kiss A Ginger Day
ponytail

Ponytail Day
hannah

Hannah Day
ormille

Ormille Day
buddy

Buddy Day
donate your hair

Donate Your Hair Day
self care

Self Care Day
cuddle up

Cuddle Up Day