Oops, it doesn't look like 'ice creame day' is a national day..

Other days

lash

Lash Day
ride the wind

Ride The Wind Day
self care

Self Care Day
pumpkin

Pumpkin Day
buddy

Buddy Day
blanket fort

Blanket Fort Day
cuddle up

Cuddle Up Day
self appreciation

Self Appreciation Day
get funky

Get Funky Day
slime

Slime Day