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

Other days

ponytail

Ponytail Day
girl friend

Girl Friend Day
lost sock memorial

Lost Sock Memorial Day
boy friend

Boy Friend Day
law

Law Day
brow

Brow Day
self appreciation

Self Appreciation Day
hannah

Hannah Day
lisp

Lisp Day
get funky

Get Funky Day