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

Other days

youth

Youth Day
boba

Boba Day
tell a fairytale

Tell A Fairytale Day
my little pony

My Little Pony Day
get funky

Get Funky Day
offer

Offer Day
mean girls

Mean Girls Day
boy friend

Boy Friend Day
cuddle up

Cuddle Up Day
law

Law Day