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

Other days

bubble bath

Bubble Bath Day
cuddle up

Cuddle Up Day
tell a fairytale

Tell A Fairytale Day
law

Law Day
martini

Martini Day
coffee

Coffee Day
nae nae

Nae Nae Day
eat what you want

Eat What You Want Day
polyamory

Polyamory Day
tulip

Tulip Day