Oops, it doesn't look like 'park express offers an easy and affordable tour option to get away from the strip for a day' is a national day..

Other days

Nae Nae Day

Embarrass Your Best Friend Day

Bow Tie Day

Lost Sock Memorial Day

Lumpy Rug Day

Get Funky Day

Chocolate Milkshake Day

Brow Day

Kiss A Ginger Day

Ponytail Day