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

Other days

bounce

Bounce Day
kale

Kale Day
polyamory

Polyamory Day
brow

Brow Day
ruby

Ruby Day
hoodie

Hoodie Day
slime

Slime Day
kiss a ginger

Kiss A Ginger Day
eat what you want

Eat What You Want Day
cat girl

Cat Girl Day