Oops, it doesn't look like 'liza clingy day' is a national day..

Other days

first love

First Love Day
polyamory

Polyamory Day
kiss a ginger

Kiss A Ginger Day
pumpkin

Pumpkin Day
ormille

Ormille Day
blanket fort

Blanket Fort Day
believe

Believe Day
prosecco

Prosecco Day
bounce

Bounce Day
hoodie

Hoodie Day