Oops, it doesn't look like 'get out and swing day' is a national day..

Other days

polyamory

Polyamory Day
tell a fairytale

Tell A Fairytale Day
fiancee

Fiancee Day
cursing

Cursing Day
bubble bath

Bubble Bath Day
bow tie

Bow Tie Day
lumpy rug

Lumpy Rug Day
kale

Kale Day
ruby

Ruby Day
china

China Day