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

Other days

get funky

Get Funky Day
youth

Youth Day
boy friend

Boy Friend Day
kiss a brunette

Kiss A Brunette Day
blanket fort

Blanket Fort Day
buddy

Buddy Day
pumpkin

Pumpkin Day
cuddle up

Cuddle Up Day
hoodie

Hoodie Day
lash

Lash Day