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

Other days

unicorn

Unicorn Day
bow tie

Bow Tie Day
law

Law Day
martini

Martini Day
kale

Kale Day
bubble bath

Bubble Bath Day
bounce

Bounce Day
ruby

Ruby Day
fiancee

Fiancee Day
nae nae

Nae Nae Day