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

Other days

stud

Stud Day
chocolate milkshake

Chocolate Milkshake Day
stress awareness

Stress Awareness Day
brow

Brow Day
ruby

Ruby Day
singles

Singles Day
ponytail

Ponytail Day
tell a fairytale

Tell A Fairytale Day
aloxolt

Aloxolt Day
kale

Kale Day