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

Other days

promposal

Promposal Day
kale

Kale Day
bow tie

Bow Tie Day
boy friend

Boy Friend Day
hannah

Hannah Day
bounce

Bounce Day
carpenters

Carpenters Day
polyamory

Polyamory Day
blanket fort

Blanket Fort Day
nail polish

Nail Polish Day