Oops, it doesn't look like 'rice and chicken day' is a national day..

Other days

comfy

Comfy Day
unicorn

Unicorn Day
ruby

Ruby Day
believe

Believe Day
hoodie

Hoodie Day
gum

Gum Day
nae nae

Nae Nae Day
cuddle up

Cuddle Up Day
first love

First Love Day
polyamory

Polyamory Day