Oops, it doesn't look like 'meeting opening day' is a national day..

Other days

stud

Stud Day
offer

Offer Day
martini

Martini Day
cuddle up

Cuddle Up Day
lisp

Lisp Day
one

One Day
girl friend

Girl Friend Day
ormille

Ormille Day
kiss a ginger

Kiss A Ginger Day
boy friend

Boy Friend Day