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

Other days

law

Law Day
kiss a ginger

Kiss A Ginger Day
gum

Gum Day
kiss a brunette

Kiss A Brunette Day
pick me

Pick Me Day
believe

Believe Day
tell a fairytale

Tell A Fairytale Day
fiancee

Fiancee Day
first love

First Love Day
boba

Boba Day