Oops, it doesn't look like 'league on the day' is a national day..

Other days

offer

Offer Day
get funky

Get Funky Day
camera

Camera Day
youth

Youth Day
ruby

Ruby Day
ormille

Ormille Day
stress awareness

Stress Awareness Day
tulip

Tulip Day
brow

Brow Day
blanket fort

Blanket Fort Day