Oops, it doesn't look like 'xc champs on day' is a national day..

Other days

fiancee

Fiancee Day
brow

Brow Day
singles

Singles Day
ormille

Ormille Day
stress awareness

Stress Awareness Day
kale

Kale Day
cuddle up

Cuddle Up Day
first love

First Love Day
cat girl

Cat Girl Day
bow tie

Bow Tie Day