Oops, it doesn't look like 'i am jazz day' is a national day..

Other days

nae nae

Nae Nae Day
bow tie

Bow Tie Day
ruby

Ruby Day
hannah

Hannah Day
boyfriend

Boyfriend Day
gum

Gum Day
blanket fort

Blanket Fort Day
pampering

Pampering Day
law

Law Day
unicorn

Unicorn Day