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

Other days

ride the wind

Ride The Wind Day
unicorn

Unicorn Day
kale

Kale Day
one

One Day
pampering

Pampering Day
boy friend

Boy Friend Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
brow

Brow Day