Oops, it doesn't look like 'jockeys trust race day' is a national day..

Other days

law

Law Day
lisp

Lisp Day
self care

Self Care Day
bow tie

Bow Tie Day
kale

Kale Day
fiancee

Fiancee Day
martini

Martini Day
prosecco

Prosecco Day
ormille

Ormille Day
artists

Artists Day