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

Other days

cuddle up

Cuddle Up Day
nae nae

Nae Nae Day
first love

First Love Day
slime

Slime Day
ask out your crush

Ask Out Your Crush Day
camera

Camera Day
believe

Believe Day
ruby

Ruby Day
kale

Kale Day
lumpy rug

Lumpy Rug Day