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

Other days

lash

Lash Day
brow

Brow Day
kale

Kale Day
promposal

Promposal Day
lumpy rug

Lumpy Rug Day
my little pony

My Little Pony Day
boba

Boba Day
eat what you want

Eat What You Want Day
bow tie

Bow Tie Day
polyamory

Polyamory Day