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

Other days

ponytail

Ponytail Day
boy friend

Boy Friend Day
bonang

Bonang Day
pampering

Pampering Day
artists

Artists Day
brow

Brow Day
kiss a ginger

Kiss A Ginger Day
my little pony

My Little Pony Day
reading

Reading Day
lisp

Lisp Day