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

Other days

unicorn

Unicorn Day
gum

Gum Day
stud

Stud Day
healing

Healing Day
nail polish

Nail Polish Day
kiss a ginger

Kiss A Ginger Day
bubble bath

Bubble Bath Day
bow tie

Bow Tie Day
cat girl

Cat Girl Day
kale

Kale Day