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

Other days

first love

First Love Day
special education

Special Education Day
one

One Day
gum

Gum Day
lash

Lash Day
aloxolt

Aloxolt Day
kiss a ginger

Kiss A Ginger Day
bounce

Bounce Day
kiss a brunette

Kiss A Brunette Day
singles

Singles Day