Oops, it doesn't look like 'ParkOn The Beach In The Middle Of The day' is a national day..

Other days

get funky

Get Funky Day
kale

Kale Day
me

Me Day
hoodie

Hoodie Day
embarrass your best friend

Embarrass Your Best Friend Day
boy friend

Boy Friend Day
tulip

Tulip Day
kiss a brunette

Kiss A Brunette Day
prosecco

Prosecco Day
ride the wind

Ride The Wind Day