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

Other days

youth

Youth Day
unicorn

Unicorn Day
prosecco

Prosecco Day
cuddle up

Cuddle Up Day
bow tie

Bow Tie Day
one

One Day
law

Law Day
nail polish

Nail Polish Day
kale

Kale Day
donate your hair

Donate Your Hair Day