Oops, it doesn't look like 'flag on liberation day' is a national day..

Other days

brow

Brow Day
ruby

Ruby Day
pampering

Pampering Day
martini

Martini Day
hiv awareness

Hiv Awareness Day
one

One Day
bow tie

Bow Tie Day
lisp

Lisp Day
hoodie

Hoodie Day
frozen yogurt

Frozen Yogurt Day