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

Other days

prosecco

Prosecco Day
hannah

Hannah Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
kale

Kale Day
raise awerness of zeus

Raise Awerness Of Zeus Day
believe

Believe Day
brow

Brow Day
cursing

Cursing Day
boba

Boba Day