Oops, it doesn't look like 'jensen and danneel day' is a national day..

Other days

lumpy rug

Lumpy Rug Day
singles

Singles Day
donate your hair

Donate Your Hair Day
first love

First Love Day
nae nae

Nae Nae Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
kale

Kale Day
buddy

Buddy Day
one

One Day