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

Other days

slime

Slime Day
ride the wind

Ride The Wind Day
healing

Healing Day
gum

Gum Day
mean girls

Mean Girls Day
youth

Youth Day
law

Law Day
boy friend

Boy Friend Day
kiss a ginger

Kiss A Ginger Day
ponytail

Ponytail Day