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

Other days

gum

Gum Day
pampering

Pampering Day
tell a fairytale

Tell A Fairytale Day
boy friend

Boy Friend Day
artists

Artists Day
cursing

Cursing Day
hannah

Hannah Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
singles

Singles Day