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

Other days

gum

Gum Day
girl friend

Girl Friend Day
stud

Stud Day
law

Law Day
hot chocolate

Hot Chocolate Day
mean girls

Mean Girls Day
lumpy rug

Lumpy Rug Day
kale

Kale Day
ruby

Ruby Day
bubble bath

Bubble Bath Day