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

Other days

carpenters

Carpenters Day
ruby

Ruby Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
law

Law Day
china

China Day
pumpkin

Pumpkin Day
frozen yogurt

Frozen Yogurt Day
polyamory

Polyamory Day
kiss a brunette

Kiss A Brunette Day