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

Other days

self care

Self Care Day
mean girls

Mean Girls Day
comfy

Comfy Day
prosecco

Prosecco Day
buddy

Buddy Day
ormille

Ormille Day
bubble bath

Bubble Bath Day
offer

Offer Day
bow tie

Bow Tie Day
hiv awareness

Hiv Awareness Day