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

Other days

law

Law Day
my little pony

My Little Pony Day
healing

Healing Day
hoodie

Hoodie Day
pumpkin

Pumpkin Day
bubble bath

Bubble Bath Day
artists

Artists Day
cuddle up

Cuddle Up Day
one

One Day
girl friend

Girl Friend Day