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

Other days

youth

Youth Day
girl friend

Girl Friend Day
brow

Brow Day
tell a fairytale

Tell A Fairytale Day
pampering

Pampering Day
boy friend

Boy Friend Day
bow tie

Bow Tie Day
cursing

Cursing Day
get funky

Get Funky Day
prosecco

Prosecco Day