Oops, it doesn't look like 'devyn lundy supremacy day' is a national day..

Other days

brow

Brow Day
nail polish

Nail Polish Day
kale

Kale Day
gum

Gum Day
hot chocolate

Hot Chocolate Day
boba

Boba Day
tulip

Tulip Day
one

One Day
kiss a ginger

Kiss A Ginger Day
cuddle up

Cuddle Up Day