Oops, it doesn't look like 'suprise drug testing day' is a national day..

Other days

gum

Gum Day
boy friend

Boy Friend Day
bonang

Bonang Day
singles

Singles Day
bow tie

Bow Tie Day
girl friend

Girl Friend Day
carpenters

Carpenters Day
boba

Boba Day
bubble bath

Bubble Bath Day
gallery

Gallery Day