Oops, it doesn't look like 'golf club for a second day' is a national day..

Other days

law

Law Day
buddy

Buddy Day
bow tie

Bow Tie Day
tell a fairytale

Tell A Fairytale Day
one

One Day
ormille

Ormille Day
polyamory

Polyamory Day
boy friend

Boy Friend Day
cursing

Cursing Day
youth

Youth Day