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

Other days

lash

Lash Day
tulip

Tulip Day
ruby

Ruby Day
eat what you want

Eat What You Want Day
one

One Day
my little pony

My Little Pony Day
hannah

Hannah Day
get funky

Get Funky Day
bubble bath

Bubble Bath Day
camera

Camera Day